Zoo employee Vlada Zapolskaya walks with Ralf, an 11-month-old red fox, during a training session which is a part of a program of taming wild animals for research and interaction with visitors at the Royev Ruchey Zoo in Krasnoyarsk, Siberia, Russia, Feb. 8, 2017. Ralf was born at the Institute of Cytology and Genetics (ICG) in Novosibirsk, which experimented on fox domestication through long-term selection and breeding for more than 50 years, according to zoo representatives. (Photo/Agencies)
