(170118) -- DAVOS, Jan. 18, 2017 (Xinhua) -- Klaus Schwab (L), Founder and Executive Chairman of World Economic Forum (WEF), welcomes Joe Biden, vice president of the United States at the annual meeting of the WEF in Davos, Switzerland, Jan. 18, 2017. (Xinhua/Xu Jinquan) (gl)more(170118) -- DAVOS, Jan. 18, 2017 (Xinhua) -- U.S. Vice President Joe Biden speaks at the 47th Annual Meeting of the World Economic Forum (WEF) in Davos, Switzerland, on Jan. 18, 2017.(Xinhua/Xu Jinquan)(gl)more(170118) -- DAVOS, Jan. 18, 2017 (Xinhua) -- U.S. Vice President Joe Biden speaks at the 47th Annual Meeting of the World Economic Forum (WEF) in Davos, Switzerland, on Jan. 18, 2017.(Xinhua/Xu Jinquan)(gl)more