Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration
Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration
Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration
Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration
Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration
Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration
Smithsonian's National Zoo:
Tian Tian's 16th Birthday Celebration