Huanggang (&#-3803;&#-745;) is an area in Shenzhen, Guangdong, China, opposite Lok Ma Chau of Hong Kong across the Sham Chun River. Lok Ma Chau-Huangang is one of the three vehicle, and one of the two passenger border crossings between mainland China and Hong Kong. Shenzhen Source: [wikipedia: huanggang, shenzhen]