The tower had already collected all the data to prove it could work , she added . Hot air will drive turbines to generate electricity , then blow out through a tall chimney . The tower will be the second tallest structure in the world . EnviroMission , an Australian company , plans to build it in the Sahara desert .
Hot air will drive turbines to generate electricity , then blow out through a tall chimney . The tower will be the second tallest structure in the world . EnviroMission , an Australian company , plans to build it in the Sahara desert .