2. Balloon was originally used for communication and reconnaissance in the military. In recent decades, hot air balloon has been mainly used for air sports and sightseeing, and has gradually developed into a fashionable and healthy outdoor leisure sport.
So far, there are about 20,000 hot air balloons in the world. In developed countries such as Europe and America, there are hot air balloon competitions or activities almost every day.
The earliest hot air balloon in China was brought to China by Forbes in 1982. In China, there are balloon sports in Daqing in the north, Hainan Island in the south, Shanghai in the east, Xinjiang in the west and even Qinghai and Tibet.