Latest Popular Ordered My Channel Categories Search Search Search results for scishow: Dubai - Martian City on Earth The United Arab Emirates is planning an enormous colony on Mars, but first they are building the biggest Mars simulator right here on earth. Date: 2018-10-25 06:16:28 MyList User: admin Views: 6961 Votes: 2 Playlists: 0 Downloads: 0 Comments: 0 Rating: 5/5 inventions