my uncle dove the Yonaguni 'ruins' in the 90s and refuses to say it's natural. just dropping his account here

Everyone online has already decided Yonaguni is either Atlantis or just funny rocks, so I'm not arguing, I'm just putting my uncle's thing on record. He's a dive instructor out of Okinawa, did the Yonaguni monument dives a bunch back when Kimura (the marine geology prof) was still hyping it as a 200……