Bubble bath time for National Zoo’s panda Tian Tian Sharing is easy—and it helps more than you know. Facebook Pinterest Twitter Email Tumblr Reddit Flipboard Copy Link Tian Tian, a giant panda at The Smithsonian’s National Zoo in Washington, D.C., gives himself a spring cleaning with a sudsy bubble bath in his enclosure Sharing is easy—and it helps more than you know. Facebook Pinterest Twitter Email Tumblr Reddit Flipboard Copy Link