US actor Leonardo DiCaprio delivers a speech after he was awarded during the 22nd Annual Crystal Awards at the opening of the World Economic Forum (WEF) in Davos on January 19, 2016. More than 40 heads of states and governments attend the WEF in Davos, which this year is focused on "mastering the fourth Industrial Revolution," organisers said. / AFP / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)
