mission to explore the moon

Discovering a 50 km long underground cave, 100 meters wide in the Moon may be a haven for people in the future
scientists have discovered an underground cave stretching 50 km and 100 meters wide on the moon. this may be the right place for us to build a space base for missions to explore the moon and protect astronauts from radiation and cosmic rays on the surface in the future.
The world's largest underwater cave system is found on the Yucatan Peninsula
not only is it an incredible place, it also contains many important archaeological discoveries and unknown biodiversity.