First man vertical city on mars 540,000 square meter total built up area , 4 towers connected with atrium in the middle.with solar houses shaped like domes for plantation and food and oxygen provider, Also there are 1600 solar panels for energy and water element around the building after 200 years from the carbon dioxide increase because of the industrial city next to this one the water will come from the underground of this site because it is in freezing condition right now.