Delegates gather at an event to commemorate the 150th anniversary of Sun Yat-sen's birth at the Sun Yat-sen Mausoleum in Nanjing, capital of east China's Jiangsu Province, Nov. 12, 2016. Born in 1866, Sun Yat-sen was the founder of the Kuomintang Party, and is a revered revolutionary leader who played a pivotal role in overthrowing imperial rule in China. (Xinhua/Sun Can)