Photo taken on Oct. 21, 2016 shows the opening ceremony of a seminar to commemorate the 150th birth anniversary of Sun Yat-sen in Nanjing, capital of east China's Jiangsu Province. (Xinhua/Sun Can)
Photo taken on Oct. 21, 2016 shows the opening ceremony of a seminar to commemorate the 150th birth anniversary of Sun Yat-sen in Nanjing, capital of east China's Jiangsu Province. (Xinhua/Sun Can)