Delhi. Density and rarefaction
According to some sources Delhi is the world’s most populous metropolis. 22 million souls inhabit the huge conurbation (2013) and whether these are the right numbers or, just, the 16.5 million people of the official statistics, is a huge amount. But Delhi can surprise because of its absolute contrast in distributing so many inhabitants in so incredibly different ways. If we consider the two historical areas of Old Delhi and