World leaders speak during WEF annual meeting

Klaus Schwab (R), World Economic Forum (WEF) founder and executive chairman, shakes hands with Brazilian President Michel Temer during the 48th WEF annual meeting in Davos, Switzerland, Jan. 24, 2018. The 48th World Economic Forum (WEF) Annual Meeting opened Tuesday in Davos. (Xinhua/Xu Jinquan)