UNDERGROUND ENTRANCE Found on MARS - AATV (Rm)

First published at 02:11 UTC on June 4th, 2019.

ūüßź " What looks like a half buried ancient alien building structure or possible underground entrance on Mars in this HiRISE image. It has clear rectilinear wall structures and right angles that seem to show through the sand in this infra red m...

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CategoryScience & Technology
SensitivityNormal - Content that is suitable for ages 13+