Swimming Pools can have many types of bottoms. Most are cement or dirt. So if its cement and bumpy its probably wearing and the same if its dirt. When the pool was put in on top of the dirt is sand usually so the sand has shifted.
The water stays in because most pools have liners.
same as the bottom
It depends one what pool you go to. There are some swimming pools that have lines on the bottom and there are others that do not
The swimming googles are on the bottom of the pool.
put a quarter at the bottom
Pool liner repair tape that can be found at most pool supply stores.
The dept of the swimming pool dosnt matter because the swimmers dont touch the bottom at all.
Turn the pool upside-down and knock on the bottom.
Put a scratch and sniff sticker at the bottom of a swimming pool
About 17psi at 1.8m
No, he was found at the bottom of his swimming pool.
I watched my goggles fall to the bottom of the swimming pool.
ok get a tweser if you have one or a stick to pull it out