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
Menorca Airport workers. A major refit of the airport was finished before the start of the 2008 season. It now has 16 gates, 5 of them linked by jetway to the main terminal building. Menorca Airport Menorca Airport (; , ) is the airport serving the Balearic island of Menorca in the Mediterranean Sea, near the coast of Spain. The airport is located southwest of Mahón after which it is sometimes informally also named. The airport was opened on 24 March 1969 when all civilian services were transferred from the neighbouring San Luis Airport. On 14 September 2006 a partial roof collapse