People visit the Serbia Pavilion at 2017 Silk Road International Exposition and the 21th Investment and Trade Forum for Cooperation between East and West China in Xi'an, capital of northwest China's Shaanxi Province, June 3, 2017. The event will be held in Xi'an from June 3 to 7, attracting delegates from more than 70 countries and regions in the world. (Xinhua/Shao Rui)
