According to ufologists and specialists, there are many entry points to underground structures on Mars. Are they alien complexes or human settlements? Below are photographs taken by the Curiosity rover.
As you can see, these “doors” are easily identifiable and appear to be entry points to unknown installations. These structures could be the anomaly the Curiosity Rover discovered a while back.
A dome-like item could be seen against the background of one of these photographs. VIDEO 1 Some stories claim that the dome may have openings or windows.
Perhaps, there are portals to subterranean bases or extraterrestrial artifacts? The video below may provide another entryway to an extraterrestrial facility on Mars.
