Liu Jian

WHEN Zhong Risheng, a 30-something Chinesedoctor, took a trip to Comoros, an island country offthe coast of Africa, in mid-July, 2012, he ended uphaving a very different experience from his first trip tothe continent in 2004. On that visit, Zhong spent twoyears in Niger broadening his horizons and gaining lifeexperience. But on his more recent trip he hoped tohelp African people with health issues. In addition tohis work in Africa, he had another important respon-sibility in his life to consider: This time he would beleaving his two-year-old son in China.