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The malfunctioning of the U-shaped water trap (U-trap), identified as one of the causes for the environmental transmission of the SARS virus at Amoy Gardens, has drawn public attention to the performance of the existing sewage and drainage systems in buildings.
Shanghai owned the "Pearl of the Orient" moniker for much of the 20th century - but now, a CityU exhibit utilizing the latest developments in multimedia technology has demonstrated that Hong Kong is clearly this century's oriental pearl.