Ukrainians swim in an ice hole as part of the celebration of the Epiphany in Kiev, Ukraine, Monday, January 19, 2015. Orthodox believers celebrate the holiday of the Epiphany on Jan. 19, and traditionally bathe in holes cut through thick ice on rivers and ponds to cleanse themselves with water deemed holy for the day. (Photo by Sergei Chuzavkov/AP Photo)

An Orthodox believer plunges in icy water during the celebration of the Epiphany in Kiev, Ukraine, Monday, January 19, 2015. (Photo by Sergei Chuzavkov/AP Photo)

Ukrainians dressed in traditional costumes dance during Orthodox Epiphany celebrations in Kiev January 19, 2015. Orthodox Christians celebrate the religious holiday of Epiphany according to the Gregorian calendar on January 19 by immersing themselves in water. (Photo by Gleb Garanich/Reuters)

A Ukrainian woman takes a bath in the waters of lake of Sherbakova Park during the celebration of the Orthodox Epiphany in Donetsk, Ukraine, Monday, January 19, 2015. (Photo by Manu Brabo/AP Photo)

People take a dip in a lake during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

A man holding a Ukrainian flag while he jumps in the ice cold water during the celebration of the Epiphany in Kiev, Ukraine, Monday, January 19, 2015. (Photo by Sergei Chuzavkov/AP Photo)

Ukrainians dressed in traditional costumes dance during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

A woman takes a dip in a lake during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

Ukrainians swim in an ice hole as part of celebration of the Epiphany in Kiev, Ukraine, Monday, January 19, 2015. (Photo by Sergei Chuzavkov/AP Photo)

A man holding a Ukrainian flag takes a dip in a lake during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

A man jumps to immerse himself in icy waters during celebrations for Orthodox Epiphany in Donetsk, eastern Ukraine, January 19, 2015. (Photo by Alexander Ermochenko/Reuters)

Ukrainians dressed in traditional costumes sing during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

People take a dip in a lake during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

A priest takes part in a religious ceremony as people take a dip in a lake during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

A woman takes a dip in a lake during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

Ukrainians dressed in traditional costumes dance during Orthodox Epiphany celebrations in Kiev January 19, 2015. (Photo by Gleb Garanich/Reuters)

People gather to immerse themselves in icy waters during celebrations for Orthodox Epiphany in Donetsk, eastern Ukraine, January 19, 2015. (Photo by Alexander Ermochenko/Reuters)