The 'Leonardo Express' links which capital city with its largest airport?
Leonardo da Vinci–Fiumicino Airport Leonardo da Vinci–Fiumicino Airport Rome–Fiumicino International Airport "Leonardo da Vinci" () , is an international airport in Rome and the major airport in Italy. It is one of the busiest airports in Europe by passenger traffic with 41.7 million passengers served in 2016. It is located in Fiumicino, west of Rome's historic city centre. The airport serves as the main hub for Alitalia, the largest Italian airline and Vueling, a Spanish low-cost carrier owned by International Airlines Group. Based on total passenger numbers, it is the eighth-busiest airport in Europe and was the world's 47th-busiest airport in 2017. It covers
Airport Express (Beijing Subway) Airport Express (Beijing Subway) The Airport Express line of the Beijing Subway (), also known by the initials ABC, Airport Beijing City, is an airport rail link from Dongzhimen station to the Beijing Capital International Airport. The line became operational on July 19, 2008. On subway maps, the Airport Express' color is magnolia. The Airport Express line is currently in length and has four stations: and in the city, and two stations in the Capital Airport, one at , and the other at . Trains departing Dongzhimen first stop at Sanyuanqiao, then proceed to the airport and serve Terminal 3.