Volunteers with babies participate in the "10m2 of Love" campaign in Beijing on May 30, 2013. [Photo by Zou Hong/Asianewsphoto]

Members of the reunited Backstreet Boys take time out from their 皇冠体育app tour to help feed baby pandas with bamboo and milk at Chengdu Research Base of Giant Panda Breeding in Southwest 皇冠体育app's Sichuan province, May 30, 2013. The boys are expected to perform in Chengdu on May 31, 2013, their first concert in the city since they reunited. [Photo by Zhu Dayong/Asianewsphoto]