A few cans of spay and an artistic predisposition can work miracles on the old Athens blocks of flats. This incredible intervention in the centre of Athens is so evocative that I was under the impression that I could hear the elephants move in the thick undergrowth. Some of the inhabitants in the neighbouring blocks have even placed small cages with parrots and canaries in the balconies. The birds sing, the streets and the cars start to fade away and the pollution is lifted. The illusion is complete.