While grandmothers all over the world occupy themselves with knitting and apple pie, the elderly ladies of the Jeju islands spend their days 20 metres under the water.
In the middle of the Caspian Sea, a Soviet-era settlement called "Oil Rocks" still floats, complete with cinema, bakeries, and a lemonade factory. Population: 933.
The ephemeral island of Ferdinandea is claimed by four nations, and only appears above the surface of the sea every hundred years.
"Horribly mutated shrimp, fish with oozing sores, underdeveloped blue crabs lacking claws, eyeless crabs and shrimp" populate the post-BP Gulf of Mexico.