A high-altitude glass slide opened inside the Ganshan National Forest Park in Sanmenxia city, central China's Henan Province on September 13, 2019, during the Mid-Autumn Festival. (Photo: IC)

The slide, which is thousands of meters long, takes riders on a tour of ups and downs at the area's scenic spot as they glide through the cloud. (Photo: IC)

It is the first high-altitude glass slide built in central China with forest as a natural background. (Photo: IC)

28 kilometers away from Sanmenxia, the Ganshan National Forest Park covers an area of 4,300 hectares, with an altitude of over 1,100 meters. (Photo: IC)

It is the first high-altitude glass slide built in central China with forest as a natural background. (Photo: IC)

The slide, which is thousands of meters long, takes riders on a tour of ups and downs at the area's scenic spot as they glide through the cloud. (Photo: VCG)