(Image Credit: YouTube/WhatsUpInTheSky37)
A YouTube video claims to show what seems to be an entry point to a lunar base approximately 5 miles long on the Moon’s Zeeman Crater.
The video goes into detail about the structure snapped on Google Earth/Moon and takes it into photoshop to enhance and try to verify its authenticity. It explains the step like structure around the opening and a few other anomalies around the opening as well.
Check out the video posted by WhatsUpInTheSky37:
It is worth mentioning that the YouTube user has been criticized for posting alot of fake material, however its interesting nonetheless, and provides coordinates for the location on Google Earth/Moon, which are 72°30’41.04″ S 145°30’29.62″ W.