Post-cosmic-horror apocalypse surreal exploration simulator
When I was a kid, I thought those pillars went down to the sea floor.
In reality, they usually go down to some large submerged floats.
Anechoic chambers are the quietest places on Earth and have background noises measured in negative decibels. After a few minutes in chambers, you can hear your heartbeat and blood circulating in your ears and may experience troubles with orienting yourself or even standing.
Source
– Harry Clarke