Our ancestor from Korea back then 2000 BC? didn't even know how to start when the king order them to make these dolmen? Ganghaw people where like are you crazyyyyy how many of us to you want for this rocks?
you need called for the whole Korea for this? these things where probably make for Aliens flying saucer to land on it? know that rocks are probably materials that can not be contaminated by Aliens radiation? or these rocks all over the world where for the light of the times traveling man? you know the times travelers had to stand on the rocks and then travels through time? or it was to catch the light of the thunders? in either way this was not just.
Note: please don't take these writings at heart am not an expert thank you!!!