SOAS university has a small gallery space dedicated to exhibitions about Asia, Africa and the Middle East. There's a small but beautiful Japanese zen garden on the rooftop (currently closed for refurbishment)
It doesn’t happen very often but its one of those things that brings people together. Running to the park or hill with anything you can find that might work as a sledge with a big grin or your face.
Though the city is amazing with a lot to offer, of course it’s great to have your own hideaway. My room is essentially my studio/desk space too and the hub of my creative activities.