“一滴水” (“A Drop of Water”)

Two-time Women’s World Chess Champion 侯逸凡 (Hóu Yìfán) serving as a volunteer environmental education docent in 泰州 (Tàizhōu), 江苏省 (Jiāngsū province), China on Sunday, April 21, 2013. Photo: 张虎林 (Zhāng Hǔlín)/泰州日报 (Tàizhōu Daily).