Watch: Berlin zoo's panda cubs Leni and Lotti debut to the public with their mother - New pandas from China make their debut at National Zoo in Washington - Pandas make their debut at D.C.'s National Zoo - What does it take to get D.C.'s pandas ready for their debut? Training and treats. - Forget pandas. Why the Toronto Zoo sees fewer cute, cuddly animals in its future - The pandas have landed! Here's what you need to know - Fresh chapter in panda diplomacy as new bears from China arrive in Washington - Pandas arrive in the US. Next stop is the National Zoo - Panda express: China sends new breeding pair to National Zoo - Meet the latest panda diplomats headed for Washington from China