A student from the University of Cambridge pours sand that he brought from his university into a sand bottle. The sand bottle represents sand from different countries getting together in Shenzhen. More than 3,000 students from 5 different continents gathered in Shenzhen Aug 10, 2011, joining in the world university beach concert, which is part of series activities of "2011, communication year between Chinese and European youths."[Photo/Xinhua]