Hong Kong 's border with Hong Kong includes a 26sq km land zone , the Frontier Closed Area . Last month , the Hong Kong government launched the first stage of a large-scale reduction in the area of the zone , allowing public access to 740 hectares of the 2,800 hectare cordon . the Korean War zone has been largely untouched by humans since 1951 . The China government has recently opened up a portion of the closed area to the public . Conservationists fear developers could encroach on the zone which is home to migratory birds .
Hong Kong 's border with Hong Kong includes a 26sq km land zone , the Frontier Closed Area . the Korean War zone has been largely untouched by humans since 1951 . The China government has recently opened up a portion of the closed area to the public . Conservationists fear developers could encroach on the zone which is home to migratory birds .