High fliers gather in Wuhan for world expo

Hot air balloons participating in the World Fly-in Expo 2017 make test flights in Wuhan, Hubei Province, on Thursday, November 2, 2017. The World Fly-in Expo (WFE) will be held from November 4 to 7. It includes displays every afternoon of aerobatics, hot air balloon flights and parachute jumping. [Photo: VCG]