MTR Corporation Limited designs, constructs, operates, maintains, and invests in railways in Hong Kong, Australia, Mainland of China, Macao, Sweden, and the United Kingdom. It operates through Hong Kong Transport Operations; Hong Kong Station Commercial Businesses; Hong Kong Property Rental and Management Businesses; Hong Kong Property Development; Mainland of China and International Railway, Property Rental and Management Businesses; Mainland Of China Property Development; and Other Businesses segments. The company offers domestic and cross-boundary railway services, the Airport Express, and a light rail and bus feeder system. It operates 262.6 kilometers of rail network; and 96 stations. The company also provides intercity railway services; leases retail and car parking spaces in stations, as well as advertising space in trains and stations; offers telecommunication and bandwidth services in railway premises; and develops, invests in, manages, and leases investment properties, including shopping malls and offices. In addition, it operates Octopus, a contactless smartcard common payment system; and provides railway consultancy and project management services, as well as railway management, engineering, and technology training services. Further, the company administers the operation of MTR academy; and provides station management, financing, technical support, and mobile and fixed telecommunication network and related services. It also operates cable car system and a theme village. MTR Corporation Limited was founded in 1975 and is headquartered in Kowloon Bay, Hong Kong.