Possibly water cistern for gravity assist with head pressure.
A little more on Epstein
https:// www.therichest.com/celebnetworth/celebrity-business/men/jeffrey-epstein-net-worth/
So he has some companies
The financial trust company, which the gov of VI wife happened to work for and the Jeffrey Epstein VI foundation. And the virgin islands foundation.
https:// pagesix.com/2007/10/29/epsteins-tropic-isle-of-babes/
https:// blameitonbealer.wordpress.com/2017/08/06/the-link-between-chris-cornell-haiti-and-jeffrey-epsteins-black-book/
Thought the abuse interesting as it was around the time of Cornells death. Musicians don't seem to have a long lifespan if they get a conscience.
https:// www.jeffreyepstein.org
A tad bit about Epstein and television