The US Navy Blue Angels perform during the Fort Worth Alliance Air Show, in Fort Worth, Texas, the United States, Oct. 20, 2019. (Photo by Tian Dan/Xinhua)

The US Navy Blue Angels perform during the Fort Worth Alliance Air Show, in Fort Worth, Texas, the United States, Oct. 20, 2019. (Photo by Tian Dan/Xinhua)

The US Navy Blue Angels perform during the Fort Worth Alliance Air Show, in Fort Worth, Texas, the United States, Oct. 20, 2019. (Photo by Tian Dan/Xinhua)

An airplane performs during the Fort Worth Alliance Air Show, in Fort Worth, Texas, the United States, Oct. 20, 2019. (Photo by Tian Dan/Xinhua)

The US Navy Blue Angels perform during the Fort Worth Alliance Air Show, in Fort Worth, Texas, the United States, Oct. 20, 2019. (Photo by Tian Dan/Xinhua)