This futuristic complex will feature indoor 'mega-trees' and 1,000 luxury apartments
Designed by Vincent Callebaut Architectures, the complex will feature nine cylindrical structures covered in plants, which the designers call "mega-trees."
Construction began in 2014 and will be complete by 2019, Callebaut told Business Insider.
Check out what the futuristic complex, dubbed The Gate, will look like.