Visitors look around at an animal fossil museum in Chengjiang County, southwest China's Yunnan Province, June 18, 2012. UNESCO's World Heritage Committee will consider the Chengjiang fossil site for inclusion on the world natural heritage list during its next meeting from June 24 to July 6 in Saint Petersburg of Russia. Over 200 kinds of fossils of ancient plants and animals in the early Cambrian Period have been discovered in the Chengjiang fossil site. (Xinhua/Qin Qing)
