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)
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)