Swiss President Doris Leuthard (2nd R, front) holds a welcome ceremony for Chinese President Xi Jinping (2nd L) and his wife Peng Liyuan (1st L) upon their arrival at the airport in Zurich, Switzerland, Jan. 15, 2017. Chinese President Xi Jinping arrived here Sunday to pay a state visit to Switzerland and attend the 2017 annual meeting of the World Economic Forum (WEF) in Davos. (Xinhua/Lan Hongguang)
