Interesting. Why do people assume this could not have been done without GPS? Maps have long been created by triangulation, is there any reason that process could not be used backwards to create a terrain feature from a map?
Also interesting are the Blythe Intaglios along the California/Arizona border: https://en.wikipedia.org/wiki/Blythe_Intaglios
Article misses an important point: what is the latest date it definitely wasn't there? There's nothing in the article that makes it more recent than 1928.
My parents went on a joy-flight over Lake Eyre and Marree Man a few months ago... the lake was full for the first time in years after flooding in Queensland and it was was the highlight of their whole trip. Funnily enough they had never heard of Marree Man until the trip - it’s certainly something of an enigma here in Australia.
My family in South Australia has lived a 10h drive from this their entire life and no idea it existed. I should really visit.
Although 1/10 of its size Nazca lines[0] are pretty impressive too and they were made 2k years ago. Why couldn’t have this been made a lot far back.
Anyone knows what he is holding in his right hand?
Google maps satellite view for those curious. https://www.google.com/maps/place/Marree+Man/@-29.5335821,13...