British Prime Minister Theresa May arrives in China's eastern city of Hangzhou to attend the 11th Group of 20 (G20) summit, Sept. 4, 2016. (Xinhua/Cai Yang)

HANGZHOU, China, Sept. 4 (Xinhua) -- British Prime Minister Theresa May arrived in this eastern Chinese city on Sunday for the 11th summit of the Group of 20 (G20) major economies, her major international summit debut.