Annual open day of the Strand Lane “Roman Baths”

A date for your diary, as the little-known Roman Baths behind the back of the disused Aldwych tube station will be open to the public later this month for one day only.
The bathhouse is right in the centre of bustling London, just off Strand, and yet also hidden away down a back alley that hardly anyone knows exists. As such, the bathhouse is one of my personal favourites to show people, mainly as so few people have heard of it.
It’s also almost certainly not Roman, but heck, that’s