The swimming pool at Biltmore mansion probably holds even more secrets. The Vanderbilts are as messed up as the royal family. https://www.dailymail.co.uk/femail/article-11374923/Anderson-Cooper-recalls-mother-Gloria-Vanderbilt-haunted-brother-Carters-suicide.html
There is also no filtration system. Who would have an inground pool in a basement with no filtration?
And the ropes. Why are they displayed so prominently?