BEIJING, June 7, 2016 (Xinhua) -- Chinese Vice Premier Liu Yandong and U.S. Secretary of State John Kerry autograph footballs for college football players from both countries before the plenary session of the seventh round of China-U.S. High-Level Consultation on People-to-People Exchange, in Beijing, capital of China, June 7, 2016. (Xinhua/Yao Dawei)









