This was taken at Oxford Street tube station in London on a quiet Saturday morning. The tube station sits in the middle of Oxford Steet and at the end of Regent Street so is normally extremely busy. Luckily at 10am on a Saturday it's pretty much empty.
The tube station is a classic example of the bright white corridor style that is common at a lot of the tube stations on the network. It can be a bit sterile, but it does lead to some interesting lighting effects!