The Hong Kong Metro, also known as the Mass Transit Railway (MTR), is a rapid transit system that serves the urban areas of Hong Kong. It consists of multiple lines that connect key districts, making it a convenient mode of transportation for residents and tourists alike. The system is known for its efficiency, cleanliness, and punctuality. The MTR network includes both underground and above-ground trains, covering a total distance of over 200 kilometers. It features modern trains and well-maintained stations, with services operating from early morning until midnight. The Octopus card is a popular payment method, allowing for seamless travel across the system.