as Kaufland, Lidl, Metro, Selgros, Penny Market, Carrefour, Auchan, Cora, Profi, and Mega Image are all operating in Bucharest. The city is undergoing a retail boom. Bucharest hosts luxury brands such as Armani, Versace, Ralph Lauren, Dior, Prada, Chanel, Hermes, Louis Vuitton, and Gucci. Malls and large shopping centres have been built since the late 1990s, such as Băneasa Shopping City, AFI Palace Cotroceni, Mega Mall, București Mall, ParkLake Shopping Centre, Sun Plaza, Promenada Mall and longest Unirea Shopping Centre. Bucharest has over 20 malls as of 2019. The corporations Amazon, Microsoft, Ubisoft, Oracle Corporation, or IBM are all present in the Romanian capital. The top ten is also dominated by companies operating in automotive, oil & gas (such as Petrom), as well as companies in telecommunication and FMCG. Transport Bucharest is crossed by two major international routes: Pan-European transport corridor IV and IX. Public transport Bucharest's public transport system is the largest in Romania and one of the largest in Europe. It is made up of the Bucharest Metro, run by Metrorex, as well as a surface transport system run by STB (Societatea de Transport București, previously known as the RATB), which consists of buses, trams, trolleybuses, and light rail. In addition, a private minibus system operates there. , a limit of 10,000 taxicab licences was imposed. Railways It is the hub of Romania's national railway network, run by Căile Ferate Române. The main railway station is Gara de Nord ('North Station'), which provides connections to all major cities in Romania, as well as international destinations: Belgrade, Sofia, Varna, Chișinău, Kyiv, Chernivtsi, Lviv, Thessaloniki, Vienna, Budapest, Istanbul, Moscow etc. The city has five other railway stations run by CFR, of which the most important are Basarab (adjacent to North Station), Obor, Băneasa, and Progresul. These are in the process of being integrated into a commuter railway serving Bucharest and the surrounding Ilfov County. Seven main lines radiate out of Bucharest. The oldest station in Bucharest is Filaret. It was inaugurated in 1869, and in 1960, the communist government turned it in a bus terminal. Air Bucharest has two international airports: Henri Coandă International Airport (IATA: OTP, ICAO: LROP), located north of the Bucharest city centre, in the town of Otopeni, Ilfov. It is the busiest airport in Romania, in terms of passenger traffic: 12,807,032 in 2017. Aurel Vlaicu International Airport (IATA: BBU, ICAO: LRBS) is Bucharest's business and VIP