Question: Which city named the world's worst city for light pollution contains the area known as Mong Kok?

full_context: Document 1: Prince Edward, Hong Kong: Prince Edward is an area in northern Kowloon, Hong Kong. It is adjacent to the Prince Edward Station of the MTR rapid transit system in Mong Kok. It is administratively under the Yau Tsim Mong District. It was named after the namesake road. It contains the northern end of Nathan Road. Strictly speaking it is not an area on its own, but the northern part of Mong Kok. Mong Kok Police Station is right outside the MTR station.
Document 2: Tsim Sha Tsui: Tsim Sha Tsui (), often abbreviated as TST, is an urban area in southern Kowloon, Hong Kong. The area is administratively part of the Yau Tsim Mong District. Tsim Sha Tsui East is a piece of land reclaimed from the Hung Hom Bay now east of Tsim Sha Tsui. The area is bounded north by Austin Road and in the east by Hong Chong Road and Cheong Wan Road.
Document 3: Cheung Kong Center: Cheung Kong Center () is a skyscraper in Central, Hong Kong designed by Cesar Pelli. It is 68 storeys tall with height of 283 m and a gross floor area of 1260000 sqft . When completed in 1999, it was the third-tallest building in the city. It sits on the combined sites of the former Hong Kong Hilton, which was demolished in 1995/6, and Beaconsfield House, sold by the Government in 1996. It stands between the HSBC Hong Kong headquarters building and the Bank of China Tower. As is common in Hong Kong, coloured lights on the sides of the building illuminate at night in intricate light shows.
Document 4: Mong Kok East Station: Mong Kok East () – formerly Yaumati () and Mong Kok () – is a station on Hong Kong's East Rail Line. Only out-of-system interchange is available with Kwun Tong Line and Tsuen Wan Line at Mong Kok Station via a footbridge. The station is connected to Grand Century Place, a large shopping mall.
Document 5: Mong Kok culture: Mong Kok culture (MK文化) is a local terminology used in Hong Kong denoting a specific culture in the area of Mong Kok, a culture which has grown rather prevalent amongst local youths and teenagers. The area of Mong Kok is especially known for its plethora of stores and vendors who sell assorted knickknacks, playthings, clothing, tools, electronics, and food along with all other sorts of novelties. Mong Kok also provides a variety of entertainment for young adults and teenagers, among which includes the cinema. The multipurpose nature of the area thus draws in teenagers and young adults, of whom which avidly pursue the latest popular trends. The area is also a popular meet-up and dating location amongst local youths. Teenagers who have a high affinity for the Mong Kok culture and hang around the area but do not necessarily live there are known as MK people (MK guys or MK girls depending on their gender) or a MK person. Their age typically ranges between 14-25 and often dress in particular styles of clothing, including Hip Hop or punk, without fully acknowledging the implications of what they wear.
Document 6: A Symphony of Lights: A Symphony of Lights () is a daily light and sound show in Hong Kong. It is the world's largest permanent light and sound show according to Guinness World Records.
Document 7: Upstairs Cafés in Hong Kong: Upstairs cafés are cafés in Hong Kong that are located above street level. They became popular in the early 2000s. They are mainly located in the upstairs of old commercial and mixed residential/commercial buildings in busy districts such as Mong Kok, Tsim Sha Tsui and Causeway Bay. They have been recognized as a specific kind of catering outlet in Hong Kong. There is a special classification of "upstairs cafés" in Hong Kong’s dining guide websites such as OpenRice. Most of them have themed decorations such as pets, teddy bears, manga and classrooms. Apart from food and drinks, many upstairs cafés in Hong Kong also provide free entertainment for customers such as Jenga, card games, chess sets and board games. Customers of upstairs cafés sometimes reserve the whole outlet for parties and gatherings because the price of reservation is not as expensive as that of the restaurants at street level.
Document 8: Tai Kok Tsui: Tai Kok Tsui ( or ) is an area west of Mong Kok in Kowloon, Hong Kong. The mixed land use of industrial and residential is present in the old area. The Cosmopolitan Dock and oil depots were previously located there. Blocks of high-rise residential buildings have been erected on the reclaimed area to the west, which marked the revitalization of the area with many restaurants and bars setting up shop. Many of the older residential buildings have been vacated and are set to be replaced by luxury high-rise buildings.
Document 9: Canton Road: Canton Road is a major road in Hong Kong, linking the former west reclamation shore in Tsim Sha Tsui, Jordan, Yau Ma Tei and Mong Kok on the Kowloon Peninsula. The road runs mostly parallel and west to Nathan Road. It starts from the junction with Salisbury Road in the south and ends in the north at the junction with Lai Chi Kok Road in the Prince Edward area. The southern part Canton Road is home to many upscale retail shops, shopping centres and others business establishments, with busy traffic from both vehicles and pedestrians from morning till late night.
Document 10: Yuen Po Street Bird Garden: Yuen Po Street Bird Garden () is located in Mong Kok, Kowloon, Hong Kong, directly west of Mong Kok Stadium. The garden occupies an area of 3,000m and is bounded by Boundary Street, Embankment Road, Prince Edward Road West and Yuen Po Street.
Document 11: Mong Kok District: Mong Kok District () was one of the districts of Hong Kong, covering the areas of Mong Kok and Tai Kok Tsui in Kowloon. In 1994, the district was merged with Yau Tsim District, which covered Tsim Sha Tsui, Tsim Sha Tsui East, Yau Ma Tei, King's Park and Kwun Chung), to form Yau Tsim Mong District.
Document 12: Mong Kok: Mong Kok (also spelled Mongkok, often abbreviated as MK) is an area in the Yau Tsim Mong District, on the western part of Kowloon Peninsula in Hong Kong. The Prince Edward area occupies the northern part of Mong Kok.
Document 13: Light pollution in Hong Kong: Hong Kong has been named the world's worst city for light pollution. Commercial and residential areas Mong Kok, Tsim Sha Tsui and Causeway Bay are found to be the most severe areas of light pollution. Due to the spotlights and LED billboards, Hong Kong’s sky is many times brighter than other cities’.
Document 14: Wan Chai: Wan Chai ( ) is a metropolitan area situated at the western part of the Wan Chai District on the northern shore of Hong Kong Island, in Hong Kong. Its other boundaries are Canal Road to the east, Arsenal Street to the west and Bowen Road to the south. The area north of Gloucester Road is often referred to as Wan Chai North. Wan Chai is one of the busiest commercial areas in Hong Kong with offices of many small and medium-sized companies. Wan Chai North features office towers, parks, hotels and an international conference and exhibition centre. As one of the first areas developed in Hong Kong, the locale is densely populated yet with noticeable residential zones facing urban decay. Arousing considerable public concern, the government has undertaken several urban renewal projects in recent years. There are many unique landmarks and skyscrapers within the area, most notably the Hong Kong Convention and Exhibition Centre (HKCEC), Central Plaza and Hopewell Centre.
Document 15: Harbour City (Hong Kong): Harbour City is a large shopping mall in Tsim Sha Tsui, Hong Kong. It is part of a series of office blocks and hotels. It comprises several parts: Marco Polo Hong Kong Hotel, Ocean Terminal, Ocean Centre (with 1980s retro decor), the Gateway and the Pacific Club Kowloon. The complex is located along the west side of Canton Road, stretching from the Star Ferry Pier in the south to China Hong Kong City in the north.
ground_truth: Hong Kong