In pictures: Polar Bear twins unveiled at German zoo

Polar bear twins Nobby and Nela play in their enclosure. The polar bears were baptised Nela and Nobby on April 7, 2014. Peter Kneffel / EPA

Visitors watch the 16-weeks-old polar bear twins Nobby and Nola cuddle with their mother Giovanna in their enclosure. Christof Stache / AFP photo

One of the 16-weeks-old polar bear twins drinks from a water puddle in their enclosure in the zoo. Christof Stache / AFP photo

Twin polar bears Nobby and Nela were born on December 9, 2013 at the Hellabrunn Zoo in Munich, Germany.