Ukrainian girls in folk costumes sing and dance during the celebration of the traditional Ivana Kupala (Ivan the Bather) holiday near Kiev July 6, 2013. The ancient tradition, originating from pagan times, is usually marked in Ukraine with grand overnight festivities. During the Ivana Kupala, people jump over burning campfires and bathe in a lake or a river, as they believe it will purge them of their sins and make them healthier. [Photo/Agencies]

A man holding his son jumps over a campfire during a celebration of the traditional Ivana Kupala (Ivan the Bather) holiday near Kiev July 6, 2013. The ancient tradition, originating from pagan times, is usually marked in Ukraine with grand overnight festivities. During the Ivana Kupala, people jump over burning campfires and bathe in a lake or a river, as they believe it will purge them of their sins and make them healthier. [Photo/Agencies]