News item as posted now at Swiminfo.com:
650 year old swimming pool discovered in Cairo...
F.I.N.A. officials angrily deny rumours that they were scouting the facility for next Masters' Worlds, asserting that official measurements would have to be made...but refused to rule out the possibility.
Parents
Former Member
"...so I wonder how they kept it from becoming a stinky stagnant mess."
In a culture that had vomitoriums and communal toilets, maybe they didn't :p