The human fascination with Mars is long and deep rooted, with countless spacecraft Martian missions since NASA’s Vikings first landing in 1976.As well as other missions, there are numerous fleets of orbiters that have mapped Mars over the years from the Soviet Union, NASA, the European Space Agency and, lately, India. The next big, bold step for mankind? The human quest to build a sustainable city on the red planet. The plans were unveiled by architecture studio ABIBOO, which has offices located all around the world, including two in the United States.