The coldest 'Ice Bucket Challenge'

Grigory Broverman, a member of the Cryophile winter swimmers club, pours a bucket of cold water over his 9-year-old daughter Liza during a celebration of Polar Bear Day at the Royev Ruchey zoo, with the air temperature at about minus 5 degrees Celsius, in Krasnoyarsk, Russia, November 24, 2018. [Photo: VCG]