🙂
Valid permit my ass. You open the unlocked gate and you walk down the stairs.
Maybe at one time you needed a “valid permit”, but no cop said anything to anybody when we were there a few months ago. There was even a guy hand feeding swans and nope.
Picking through nastiness is not my idea of a good time so I did not partake, but the scum they were picking through was better than 90% of the “art” in the Tate modern.