A zoo keeper sprays water on Begi, a hippopotamus that escaped the zoo on Sunday, at a zoo in Tbilisi, Georgia, June 15, 2015. Tigers, lions, bears and wolves were among more than 30 animals that escaped from a Georgian zoo and onto the streets of the capital Tbilisi on Sunday during floods that killed at least 12 people. Local news agencies later reported more than half the animals had been returned to the zoo. REUTERS/David Mdzinarishvili