Making a Ladder to the Earth: Project for Extraterrestrials No. 20 [Unrealized], 1994. Bath Festival Exhibition. Gunpowder fuse 4,500 m, gunpowder 5 kg, bamboo 100 x 4 m, rope, hot air balloon. [Artwork Not Extant]
Cai Guo-Qiang with fuse for unrealized Making a Ladder to the Earth: Project for Extraterrestrials No. 20, Bath, 1994. Photo courtesy Cai Studio