1.7M views · 17K reactions | In a practice unique to Catalonia, people climb on top of each other to create towers called castells, sometimes up to 10 tiers high. Step inside a town square as one goes up. #Daily360 | The New York Times | Facebook

866K views · 3.2K reactions | They need to make the first Mars colony look like this!  | UNILAD Tech | Facebook

1.3K views · 47 reactions | NASA has its sight on the Red Planet #Mars. The space agency released a draft set of high-level objectives earlier this year. To check the habitation of a four-person crew on Mars, NASA unveiled a new Mars simulation habitat. #WIONOriginals #NASA | WION | Facebook