These stairs lead nowhere
Swimming is not very easy for most people, and it is even less easy to go up and down underwater stairs. But we must admit that the color of that water looks great and makes us want to swim there for a while.
This place is a water reservoir located in Emmendingen, Bw, Germany, which is perfect for helping to irrigate crops on farmland in times of drought. Its design is incredible, even to use as a model when building a pool for our house.