BEIJING, CHINA - OCTOBER 20: Philippines President Rodrigo Duterte makes a speech during the Philippines - China Trade and Investment Fourm at the Great Hall of the People on October 20, 2016 in Beijing, China. Philippine President Rodrigo Duterte is on a four-day state visit to China, his first since taking power in late June, with the aim of improving bilateral relations.  (Photo by Wu Hong-Pool/Getty Images)