Children visit an exhibition on rose flowers at Huangcheng Township, a small town well-known for its rose industry, in Zibo City, east China's Shandong Province, May 19, 2018. The rose industry, integrated with the local tourism and processing industry, helped to improve the economic development of the town. About 500 tonnes of rose flowers are processed every year in Huangcheng, with the annual output value reaching over 40 million yuan (6.27 million U.S. dollars). (Xinhua/Chen Junqing)