The seawater pool was built on the site of a natural rock pool that people have used for bathing since the late 19th Century.

BBC: Shoalstone pool

"Operating spa pools on display in indoor spaces, even if not used for bathing, have been previously shown to be the cause of outbreaks in other countries, " the report added.

BBC: JTF Warehouse

In addition to bathing, saunas would have been used for chores requiring high heat, such as curing meats, and practices requiring sterile environments, such as preparing to bury the dead.

BBC: The origins of bathhouse culture around the world