Tourists from Guangzhou City, Guangdong Province, pose for photos before the Zhongshan Iron Bridge in Lanzhou City, Gansu Province, on August 29. The city of Lanzhou received 42.83 million tourists in the first seven months of this year, with the tourism revenue totaling 35.89 billion yuan, up by 26.62 percent and 28.4 percent respectively year on year, according to Lanzhou Municipal Culture and Tourism Bureau. [Photo/Lzbs.com.cn]