Nim Wan was a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 between Tsang Tsui  and Ha Pak Nai  in Tuen Mun District

Tuen Mun District

Tuen Mun District is one of the 18 administrative districts of Hong Kong. Its name was previously 'Tsing Shan' and it changed in the 1970s. It is the westernmost continental district of Hong Kong, located about 32 km from the Kowloon Peninsula, 7 km southwest of Yuen Long and 18 km...

, New Territories

New Territories

New Territories is one of the three main regions of Hong Kong, alongside Hong Kong Island and the Kowloon Peninsula. It makes up 86.2% of Hong Kong's territory. Historically, it is the region described in The Convention for the Extension of Hong Kong Territory...

, Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

. It approaches Deep Bay

Deep Bay, Hong Kong

Deep Bay is a bay off the northwest coast of Lau Fau Shan, Hong Kong. It is surrounded to the north by Shenzhen proper and west by the peninsula of Nantau, China. It is also known as Hau Hoi Wan in Hong Kong, and Shenzhen Bay in China.-Name:...

 with Shekou

Shekou

Shekou is an area at the tip of Nantou Peninsula in Shenzhen, Guangdong, southern China, south of Nantou and facing Lau Fau Shan of Hong Kong across Deep Bay.It was formerly a customs station in Bao'an County and now belongs to Nanshan District of Shenzhen...

, Shenzhen

Shenzhen

Shenzhen is a major city in the south of Southern China's Guangdong Province, situated immediately north of Hong Kong. The area became China's first—and one of the most successful—Special Economic Zones...

 at its opposite.

The bay was reclaimed

Land reclamation in Hong Kong

Land is in short supply in Hong Kong, and land reclamation has been conducted there since the mid-19th century.-Projects:One of the earliest and famous project was the Praya Reclamation Scheme, which added 50 to of land in 1890 during the second phase of construction...

 to become a landfill

Landfill

A landfill site , is a site for the disposal of waste materials by burial and is the oldest form of waste treatment...

 site, "West New Territories Landfill" . The landfill site covers the area of 110 hectares. It can handle more than 6,500 tonnes of waste

Waste

Waste is unwanted or useless materials. In biology, waste is any of the many unwanted substances or toxins that are expelled from living organisms, metabolic waste; such as urea, sweat or feces. Litter is waste which has been disposed of improperly...

per day and is expected to be used for 25 years.