IF we follow the most expensive homes sold around the World.We can map where the most expensive neighbourhoods are. Examples Mukesh Ambani's Antilla (Mumbai India ) Mukesh Ambani's Antilla (Mumbai India ) Price $2.000.000.000 = 400,000 square feet $5000 = square feet €1.692.440.000 =37161m2 €45.543 = m2...