MOSCOW, RUSSIA - DECEMBER 13, 2017: A killer whale takes part in Lost World, a Christmas show at the Moskvarium Oceanography and Marine Biology Center at VDNKh. Artyom Geodakyan/TASS (Photo by Artyom Geodakyan\TASS via Getty Images)
MOSCOW, RUSSIA - DECEMBER 13, 2017: A killer whale takes part in Lost World, a Christmas show at the Moskvarium Oceanography and Marine Biology Center at VDNKh. Artyom Geodakyan/TASS (Photo by Artyom Geodakyan\TASS via Getty Images)