coolthingoftheday: A natural phenomenon in Mauritania known as the underwater waterfall makes it appear as though there is a waterfall beneath the ocean waves. However, it is an optical illusion - it is actually sand being sucked out into the ocean.
coolthingoftheday: A natural phenomenon in Mauritania known as the underwater waterfall makes it appear as though there is a waterfall beneath the ocean waves. However, it is an optical illusion - it is actually sand being sucked out into the ocean.
