When the travel agency China Highlights organises bus trips for foreign tourists to iconic sights across China, the company says one last-minute request keeps cropping up again and again. “Can we visit a farm?” The question has become so common that guides now organise farm tours lasting a day or two for groups as they drive back from scenic spots such as Huangshan and Zhangjiajie, according to company CEO Steven Zhao. The tourists often wanted to meet the farmers, have lunch in their...