Put on a performance for a CCTV controller. You could improvise a short play, show off a dance routine or hold a full blown talent show.
Create a beat, song, and perhaps a tune about a place.
Be a statue.
Write a play that can only be performed in a specific place.
Go to a charity shop and buy some random clothes that used to belong to other people. Draft and perform a short play about the strangers who used to wear the clothes.