Without specific context, it's challenging to provide detailed information about "Pool 13." If Pool 13 refers to a specific location or event within the naturist community, it could be a spot for social gatherings, recreational activities, or a meeting point for like-minded individuals who wish to enjoy nature in a nudist setting.
It is rude to stare fixedly at anyone's body, clothed or naked. However, acknowledging someone with a smile and eye contact is vital. The silence of avoidance is louder than speech. Say "hello."
Naturism offers concrete mechanisms that accelerate body acceptance: