7 Mysterious Things Even Scientists Are Still Unable To Explain - Page 5 of 9

Yonaguni Submarine Ruins

Divers found terraced formations near Yonaguni Island (Japan) in 1986. submarine formations are found in large groups of up to 5 stories high. Artifacts have been found that prove the existence of people in these places. Despite this, scientists still argue about the origin of the pyramids. If we assume that these formations are man-made, they belong to the preglacial civilizations.