All the so-called cities of Delhi, including Indraprastha-a city said to have been built for the legendary Pandvas by the master craftsman Vishwakarma-perished and yet Delhi survives. Remarkably, none of the cities of Delhi was called Delhi. It was only after their decline that they became a part of Delhi. It is a paradox that those that perished were all walled cities, and the one that survives has no fortification. Nevertheless, Delhi is amongst the richest cities of the world in terms of monuments. These monuments constitute an inspiring saga of our past, where history speaks through...