People line up to buy copies of the stamp, first day cover and postcards at the 2017 BRICS Summit Media Center, Xiamen, Fujian Province, Sept. 3, 2107. Scheduled to open on Sunday, the BRICS Business Forum 2017, a fringe forum at the BRICS Summit will be attended by heads of state and governments from Brazil, South Africa, Egypt and Guinea. [Photo by Zheng Liang/ China.org.cn]