As you descend into Dharavi from the bridge over the Western railway line you are greeted by Shrek. You have to look twice to see him two metres tall and oozing ogrefierceness from the roof of a shop. I can’t find out why he was put there it was apparently just a couple of months ago. Was he salvaged from the 4000 tonnes of recycling that takes place in Dharavi each day Or is he a cheeky war