Hong Kong has the most expensive real estate in the World according to global real estate advisor CBRE. It also boasts 170 helipads, which is probably necessary, as with its real estate comes time hungry businessmen and women, who want to travel fast. However, where does it have the space for these helipads…. the answer is that many of them are now roof top pads. These include the Peninsula Hotel and the Shun Tak centre, as well as many hospitals.