Beijing, August 30 (Youth.cn) - World's first 100-km level hydrogen-powered drone achieved its first flight in Hangzhou International Campus of Beihang University on August 29th. The hydrogen-powered drone, "Tianmushan No.1" is the first hydrogen-powered drone fitted with an integrated parachute that can be volume-produced. The research team developed a hydrogen-powered system with high energy density, watt density and reliability in the cold conditions while equipping it with long-distance operation capacity. Photo/VCG