Models present cheongsams, a traditional Chinese women's dress also known as Qipao, during a cheongsam show in Rizhao, East China's Shandong province, May 16, 2015. Sponsored by China Qipao Society, a worldwide cheongsam show was held Saturday, with the participation of some 150,000 cheongsam lovers from 420 branches of China Qipao Society around the world. [Photo/Xinhua]