ethnic groups, including Hoklo (Hokkien) and Hakka. Tai O has a history of salt production. In 1940, it was recorded that the Tai O salt marshes were covering and that the production has amounted to 25,000 piculs (1,512 metric tons) in 1938. Currently the fishing lifestyle is dying out. While many residents continue to fish, it barely provides a subsistence income. There is a public school on the island and most young people move away when they come of age. In 2000, a large fire broke out destroying many residences. The village is now mostly squatters huts and dilapidated stilt houses. Points of interest Heritage Graded buildings in Tai O include: Yeung Hau Temple, built in 1699 (Declared Monument) Old Tai O Police Station (Grade II) Kwan Tai Temple, Kat Hing Back Street. Built in 1741. (Grade II) Tin Hau Temple, Kat Hing Back Street. Built in 1772, it is connected to the left of Kwan Tai Temple. Fong Bin Yuen. (Grade III) No. 23 Kat Hing Back Street. (Grade III) Shek Lun Kok, No. 33 Kat Hing Back Street. (Grade III) No. 46-48 Kat Hing Street, pre-war shophouses. (Grade III) Wing Hing Petrol Station, No. 99C Kat Hing Back Street. (Grade III) Other historical buildings include: Hip Wo Se Hok, No. 151 Tai Ping Street, a former school. Hung Shing Temple, Shek Tsai Po Street. Built in 1746. Tourism Also known as the "Venice of Hong Kong", Tai O is a tourist spot for both foreigners and residents of other parts of Hong Kong, despite damage by a fire in July 2000. The pang uks, a kind of stilt house, built right over the waterway are still quite scenic. A cable ferry tended by local women used to be quite popular with visitors, but it was replaced with a steel pedestrian bridge in October 1996. The traditional salted fish and shrimp paste are sold at storefronts in Tai O. For a small fee, some residents will take tourists out on their boats along the river and for short jaunts into the sea. Many tourists come to Tai O specifically to take these trips to see Chinese white dolphins, also known as "Pink Dolphins". It is also a good place to see the sunset. Old Tai O Police Station, a Grade II historic building, has been turned into a boutique hotel called Tai O Heritage Hotel by Hong Kong Heritage