Город, где люди живут под землей + 8 неизведанных мест

Credit: Houghton Crater: By NASA, Devon Island: By NASA/GSFC/LaRC/JPL, The DAME: By NASA/Ames, Simulation: By NASA Haughton-Mars Project 2011/Mojave Field Test / Kira Lorber, Tristan da Cunha: By NASA/Lyndon B. Johnson Space Center, Galliéni: By NASA Johnson Space Center, CC BY 2.0 : Dochula pass: By dhaag23, IS49: By The Official CTBTO Photostream - , By Brian Gratwicke: Tristan: , https://co