Dozens of people in grim reaper and devil costumes accompany St. Nicholas on his journey through the village of Valasska Polanka in this eastern corner of the Czech Republic.

It's an old pre-Christmas tradition that has been surviving for centuries in a few villages in the Wallachia region.

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A reveler depicting a grim reaper runs during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Dozens of people in grim reaper and devil costumes accompany St. Nicholas on his journey through the village of Valasska Polanka in this eastern corner of the Czech Republic.

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

The custom reportedly dates from the pagan era before Christianity, when the masks helped the people of mountainous region defend themselves against the demons of winter.

Revelers depicting devil and a grim reaper brave a snow storm during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. . (AP PhotoPetr David Josek)

Revelers depicting devil and a grim reaper brave a snow storm during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. . (AP PhotoPetr David Josek)

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Reveler depicting a grim reaper sits on a swing during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Reveler depicting a grim reaper sits on a swing during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

A young child dressed as a devil waits for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

A young child dressed as a devil waits for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers depicting devil waits in the woods during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers depicting devil waits in the woods during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

The whole group parades together from door to door for the weekend. St. Nicholas presents the children with sweets to soothe them after they see the scary costumes. The devils wear homemade masks of sheepskin and travel with white creatures representing death who carry scythes.

A reveler depicting a grim reaper runs during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

A reveler depicting a grim reaper runs during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

The custom reportedly dates from the pagan era before Christianity, when the masks helped the people of mountainous region defend themselves against the demons of winter.

St. Nicholas was a Christian bishop in the ancient town of Myra who lived in the third and fourth centuries and was known for his goodness and generosity. He is said to have inspired the creation of Santa Claus.

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers depicting devil and a grim reaper brave a snow storm during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. . (AP PhotoPetr David Josek)

Revelers depicting devil and a grim reaper brave a snow storm during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. . (AP PhotoPetr David Josek)

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers depicting grim reapers and devils pose for a photo during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Reveler depicting a grim reaper sits on a swing during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Reveler depicting a grim reaper sits on a swing during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers prepare for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

A young child dressed as a devil waits for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

A young child dressed as a devil waits for a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)

Revelers depicting devil waits in the woods during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them.  (AP PhotoPetr David Josek)

Revelers depicting devil waits in the woods during a traditional St Nicholas procession in the village of Valasska Polanka, Czech Republic, Saturday, Dec. 7, 2019. This pre-Christmas tradition has survived for centuries in a few villages in the eastern part of the country. The whole group parades through village for the weekend, going from door to door. St.Nicholas presents the kids with sweets. The devils wearing home made masks of sheep skin and the white creatures representing death with scythes frighten them. (AP PhotoPetr David Josek)