Through climate engineering, the bottom layer is kept at 18 degrees Celsius and 40 percent relative humidity; the middle layer, at the bulk of the cloud, is a warmer 25 degrees at 100 percent humidity; the top layer is the hottest, at 36 degrees and 60 percent humidity. Photo 7 of 17 in Venice Biennale: Arsenale by Tiffany Chu

Venice Biennale: Arsenale

7 of 17

Through climate engineering, the bottom layer is kept at 18 degrees Celsius and 40 percent relative humidity; the middle layer, at the bulk of the cloud, is a warmer 25 degrees at 100 percent humidity; the top layer is the hottest, at 36 degrees and 60 percent humidity.