Happy National Zoo pandas slide through snow in reminder there is joy in this world By David Matthews National Zoo pandas in the snow DC's favorite pandas - the National Zoo's Mei Xiang and Tian Tian - were caught on camera playing in the snow on Sunday. WASHINGTON (FOX 5 DC) - This is how you slide into the work week. The National Zoo tweeted an adorable video of pandas Mei Xiang and Tian Tian frolicking in Sunday's snow. "Slides, somersaults and pure panda joy," The Zoo said on Twitter. Animals and humans alike are enjoying the snow in the nation's capital.