A butterfly rests on a visitor's hand at Jifa Sightseeing Area in Qinhuangdao, North China's Hebei province, June 21, 2010. The garden, located in the tourist resort Beidaihe, introduced more than 30 kinds of rare butterfly chrysalises from Yunnan in the spring of 2008, and now the number of butterflies has grown to more than 2,000 in the "butterfly valley." [Photo/Xinhua]