Megalithic sites of Japan have been under-researched and the origins of solar worship and the people who were sun-and-rock worshipers in Japan requires much deeper and comprehensive research, particularly, in the context of megalithic technological developments in the whole of Eurasia and MSEA. There were three worldwide super-floods in the distant past leading to migrations to Asia, South America and Europe by the remains of the Atlanteans. There is scientific and anthropological evidence for multiple Atlantean empires and the global catastrophes that destroyed them.