Тема: Commonwealth Club of California Podcast
The city is also 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 63.8 million passengers in 2014) and Paris-Orly. Opened in 1900, the city's subway system, the Paris Métro , serves 5.23 million passengers daily.  It is the second busiest metro system in Europe after Moscow Metro. Notably, Paris Gare du Nord is the busiest railway station in the world outside of Japan , with 262 millions passengers in 2015. 
Paris is often referred to as "The City of Light" ( La Ville Lumière ),  both because of its leading role during the Age of Enlightenment , and more literally because Paris was one of the first European cities to adopt gas street lighting. In the 1860s, the boulevards and streets of Paris were illuminated by 56,000 gas lamps.  Since the late 19th century, Paris has also been known as Panam(e) ( pronounced: [panam] ) in French slang.