Participants dressed as Vikings prepare to participate in the annual Up Helly Aa festival in Lerwick, Shetland Islands on Jan. 29, 2013. Up Helly Aa celebrates the influence of the Scandinavian Vikings in the Shetland Islands and culminates with up to 1,000 "guizers" (men in costume) throwing flaming torches into their Viking longboat and setting it alight later in the evening.
- [Andy Buchanan/AFP/Getty Images]

Children dressed as vikings look on as they prepare to participate in the annual Up Helly Aa festival in Lerwick, Shetland Islands.
- [Andy Buchanan/AFP/Getty Images]

Participants dressed as vikings march past during the annual Up Helly Aa festival in Lerwick, Shetland Islands on Jan. 29.
- [Andy Buchanan/AFP/Getty Images]

Up Helly Aa "guizers" pose on their longboat during the festival.
- [Andy Buchanan/AFP/Getty Images]

Up Helly Aa "guizers" pose on their longboat during the festival.
- [Andy Buchanan/AFP/Getty Images]

Members of the 2013 "Jarl Squad" take part in the annual Up Helly Aa festival which culminates in the burning of a Viking Galley in Lerwick, Shetland Islands. Up Helly Aa celebrates the influence of the Scandinavian Vikings in the Shetland Islands and has employed this theme in the festival since 1870.
- [Andy Buchanan/AFP/Getty Images]

"Jarl Squad" members surround a Viking Galley to be burned in the Up Helly Aa festival.
- [Andy Buchanan/AFP/Getty Images]

Members of the 2013 "Jarl Squad" prepare to burn the Viking Galley as a part of the annual Up Helly Aa festival.
- [Andy Buchanan/AFP/Getty Images]

Up to 1,000 men dressed as vikings throw flaming torches at a Viking Galley during Lerwick's Up Helly Aa festival.
- [Andy Buchanan/AFP/Getty Images]

A member of the "Jarl Squad" looks on during the festival.
- [Andy Buchanan/AFP/Getty Images]

Members of the 2013 "Jarl Squad" take part in the Up Helly Aa festival in Lerwick, Shetland Islands, which occurs on the last Tuesday in January each year and culminates in the burning of a Viking Galley.
- [Andy Buchanan/AFP/Getty Images]