Polar bear cub snuggles up against her mother Valeska at Bremerhaven Zoo by the Sea

A polar bear cub snuggles up against her mother Valeska, in their enclosure at Bremerhaven's (Bremen's) Zoo by the Sea, Germany. REUTERS/Carmen Jaspersen/Pool

A polar bear cub snuggles up against her mother Valeska, in their enclosure at Bremerhaven’s (Bremen’s) Zoo by the Sea, Germany. REUTERS/Carmen Jaspersen/Pool