Despite the fact that the planet is home to more than 10 billion people, the question of overpopulation has been successfully resolved. Megapolises have been built on the ocean surface. There are drifting apartment complexes as well as stationary ones. These have been brought about by modern construction techniques. Fresh air and sea breezes are at your disposal all day long.
But underwater houses and hotels are the most in demand. To fall asleep to steady swaying seaweed and counting not sheep, but fish helps to relieve stress and achieve inner harmony.