Peng Liyuan (1st L), wife of Chinese President Xi Jinping, attends "Tribute to Love", a China-Sri Lanka free cataract surgery campaign, along with Shiranthi Rajapaksa (2nd R), wife of Sri Lankan President Mahinda Rajapaksa, in Colombo, capital of Sri Lanka, Sept. 17, 2014. (Xinhua/Huang Jingwen)