Paris for 31 percent of the GDP of France. According to the Economist Intelligence Unit Worldwide Cost of Living Survey in 2018, Paris was the second-most expensive city in the world, behind Singapore and ahead of Zurich, Hong Kong, Oslo and Geneva. The city is a major rail, highway, and air-transport hub served by two international airports: Paris-Charles de Gaulle (the second busiest airport in Europe after London Heathrow Airport with 69.5 million passengers in 2017) and Paris-Orly. Opened in 1900, the city's subway system, the Paris Métro, serves 5.23 million passengers daily, and is the second busiest metro system in
Rarotonga International Airport Rarotonga International Airport Rarotonga International Airport is the Cook Islands' main international gateway, located in the town and district of Avarua, Rarotonga, 3 km west of the downtown area on the northern coast. Because of the close proximity of the runways to the nearby roads, it is possible to get very close to the aircraft while they are departing and landing. Runway 08, which is at the western end of the runway, in particular is often very popular when a large jet is landing. Rarotonga International Airport was officially opened on 29 January 1974 by Queen Elizabeth II on the