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
Saline County Airport Saline County Airport Saline County Airport , also known as Watts Field, was a county-owned public-use airport located one mile (2 km) west of the central business district of Benton, a city in Saline County, Arkansas, United States. The airport's address was 401 Airline Drive in Benton. The airport opened in 1957. Construction on the new Saline County Regional Airport began in November 2002 and it opened on March 12, 2007. The existing was closed after the new airport opened. Saline County Airport covered an area of which contained one runway designated 17/35 with a 3,980 x 50 ft (1,213