Photo by Luocheng Cotton Field Sky Pit - Glass Planks Trail

Luocheng Cotton Field Sky Pit - Glass Planks Trail

Photo by Luocheng Cotton Sky Pit - Night view of the Cliff Bookstore shot at the railing.

Luocheng Cotton Sky Pit - Night view of the Cliff Bookstore shot at the railing.

Photo by Luocheng Cotton Sky Pit - Cliff Bookstore

Luocheng Cotton Sky Pit - Cliff Bookstore

Photo by Luocheng Cottonwood Tiankeng - Glass Steps

Luocheng Cottonwood Tiankeng - Glass Steps

Photo by Luocheng Cotton Sky Pit Resort - Cliffside Bookstore

Luocheng Cotton Sky Pit Resort - Cliffside Bookstore

Photo by The bottom of Luocheng Cottonwood Sinkhole

The bottom of Luocheng Cottonwood Sinkhole

Photo by Luocheng Mianhua Tiankeng - Cliff Bookstore

Luocheng Mianhua Tiankeng - Cliff Bookstore

Photo by Luocheng Cotton Sky Pit - Pool Side

Luocheng Cotton Sky Pit - Pool Side

Photo by Cotton Sky Pit - Cliffside Bookstore

Cotton Sky Pit - Cliffside Bookstore

Photo by Luoken Cotton Sinkhole - Staircase in front of the bookshelf at the Cliff Bookstore

Luoken Cotton Sinkhole - Staircase in front of the bookshelf at the Cliff Bookstore