Mysterious square structure spotted on Mars branded ‘wild’ has space fanatics completely baffled – LADbible

Naturally the appearance of a structure which appears to be ‘man-made’ would send the internet into overdrive, with believers quick to use the image as proof of a long-lost alien civilisation. … But before you roll out the red carpet for aliens, it might be worth noting that straight lines aren’t impossible in nature. In fact, various replies to the original thread pointed out that natural wonders such as the Giant’s Causeway in Northern Ireland, the Eye of the Sahara and Turkey’s ‘Fairy Chimneys’ could appear man-made to an alien visitor.