A volunteer from southwestern China tragically died of exhaustion after giving up his holiday to join flood relief efforts in Guangxi.Dang Xinrui, 29, was employed as an integrated control operator at a railway station in Sichuan province, as reported by Guangxi Daily.While holidaying in Yunnan on July 9, Dang encountered an urgent call for volunteers to aid flood-affected areas in Guangxi and swiftly altered his plans to assist.Severe flooding, exacerbated by typhoon-induced rain, swept...