To save time, the big 'secret' is that the formation is just volcanic rock, smoothed from being underwater for years, decades, centuries.
The two 'explorers' then got angry when it was revealed the formation was simply volcanic, so they couldn't scam any further money out of investors.
The end.
The two 'explorers' then got angry when it was revealed the formation was simply volcanic, so they couldn't scam any further money out of investors.
The end.