熊貓寶寶首次爬樹瞬間被攝下（超有愛的！）

Panda cub climbs a tree

There's a time in everyone's life when you start making strides toward growing up. Six-month-old panda cub Bei Bei took some crucial steps skyward (and back again, with a little help from Mom) on this tree at the Smithsonian’s National Zoo and Conservation Biology Institute. http://cnn.it/1T1RWum

Posted by CNN on Monday, February 8, 2016