A graffiti artist creates his street art painting at the Culture and Creative Industry Park of Karamay in northwest China's Xinjiang Uygur autonomous region on August 7, 2014. An international graffiti competition, under the theme of "Silk and Graffiti Road," is held here. The competition invited not only Chinese graffiti artists but artists from several other countries, including Canada, Australia, France and Germany. [Photo/Liu Xin]