Recently, some marine archaeologists found a giant stone wall about 100 meters long at the bottom of the sea off the coast of Carmel in the Mediterranean  Although there are no written symbols left on the stone wall, and there is no record of the stone wall in history, archaeologists still determine the wooden stakes, stone bowls and animal bones scattered near the stone wall  It is believed that the stone wall is a relic created by human beings 7,000 years ago  What exactly is its use
Since it was difficult for the enemy to come from the sea, the researchers speculated that people here built stone walls mainly to avoid flooding villages when the water rose
7,000 years ago, the earth was in the early stage of the end of the ice age, and the sea level in the Mediterranean was rising by 4 to 7 millimeters a year.