Why can't I wear underwear at the swimming pool/beach? I mean, all

Do people in Europe generally swim with underwear/swimsuits or without them at beaches and pools? - Quora

Why can't I wear underwear at the swimming pool/beach? I mean, all kinds of swimsuits have the same function as underwear to cover some parts of the human body. - Quora

Do people in Europe generally swim with underwear/swimsuits or without them at beaches and pools? - Quora

How does wet underwear look like? Should I just wear underwear while swimming? - Quora

Is your underwear safe in the pool? - Quora

Is swimming in underwear acceptable instead of costume in swimming pools? - Quora

How does wet underwear look like? Should I just wear underwear while swimming? - Quora

Do most men wear underwear (boxer or brief) underneath their swimshort when swimming in water (at the pool or beach)? - Quora

Why can't you wear normal clothes in a pool? - Quora

What is the etiquette for wearing underwear under your bathing suit when swimming or snorkeling? - Quora

What kind of underwear do you wear in a swimming pool? - Quora

Do men swim in their underwear, and why? - Quora