MTR Corporation Limited has six segments: Hong Kong railway operations, which include rail, bus and other rail related businesses; Hong Kong station commercial business, which is engaged in station shop rental and advertising; property development business, which develops property, such as shopping malls; property rental and management business, which includes property in Hong Kong and Mainland of China, and Railway subsidiaries outside of Hong Kong, as well as other businesses, which include Ngong Ping 360, consultancy business and project management services. The Company also operates a rail-based transportation system in Hong Kong, comprising Domestic and Cross-boundary services, a high-speed airport express railway and a light rail system. The entire system stretches 218.2 kilometers and has 84 stations and 68 stops. It also provides intercity services to the Mainland of China, as well as a small bus operation in Hong Kong offering feeder services.