Hong Kong is a highly developed territory and ranks fourth on the UN Human Development Index. The city also has the largest number of skyscrapers of any city in the worldand its residents have some of the highest life expectancies in the world. The dense space also led to a developed transportation network with public transport rates exceeding 90 percent. Hong Kong is ranked third in the Global Financial Centres Index, behind New York City and London. In an annual ranking of the Index of Economic Freedom, Hong Kong has come out on top 25 years in a row, according to the Heritage Foundation, a U.S. think tank.
Sightseeing is the activity of travelling around a city or region to see the interesting places that tourists usually visit.