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