When they built the underground walkway, this was a kiosk. People would buy their daily newspaper, their lotto tickets and kids would get their sweets there. Since 10 years at least, it was closed and no-one seems to be interested in taking it over.
This little bird is looking for a place in the garden I think.
Anyone want a free book? These were in a crate perched on a garden wall, and gratis means for free. Just help yourself.