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
Velana International Airport island of Hulhulé. Hulhulé Airport was opened on 19 October 1960. The first runway built on Hulhulé Island was made of slotted steel sheets. The dimensions of this runway were . The first aircraft which landed at the airport was a Royal New Zealand Air Force Transport plane on 19 October 1960 at 13:55hrs. The first commercial flight was an Air Ceylon flight (4R0ACJ) landed on this runway was at 15:50hrs on 10 April 1962. The first aircraft owned by the Maldives landed on the runway of the Hulhulé Airport on 9 October 1974. In May 1964 the government and