A firefighter who was filmed eating in heavy rain during work breaks while dealing with the flood disaster in southwestern China has gone viral and touched millions of people on social media.A video taken by a passer-by in Guigang, Guangxi Zhuang autonomous region, circulated widely online, featuring Liang Huan, a firefighter from a station in Zhaoqing, southern Guangdong province.At noon on July 9, during a break between tasks, Liang opened a lunchbox to eat. However, a sudden downpour forced...