Giant pandas Tian Tian (front) and Mei Xiang wrestle and play in Washington's first snow accumulation of the season at Smithsonian's National Zoo on December 6, 2007. [Agencies]
Tai Shan, the two-year-old giant panda cub at Smithsonian's National Zoo, Washington, D.C., US, surveys the season's first major snow accumulation from high in a tree in his exhibit on December 6, 2007. [Agencies]
The San Diego Zoo's 18-week-old giant panda cub is pictured during her weekly physical exam on December 5, 2007. Veterinarians say she is developing very well and expect her walking skills will allow her to make a public debut later this month. [Agencies]
