Soho mural

I stumbled across this at lunchtime today whilst out for a stroll. It's a huge mural on the side of a building in Noel Street, near Berwick Street in Soho. The round blue sign tells me that it is entitled "Ode to the West Wind", and a quick hunt on the internet reveals that it was painted in 1989 and refers to a poem written by Shelley, who apparently lived nearby.