Iconic towers vie for your attention on the Pudong side of the river. Shanghai is built on the banks of the Huangpu River which flows into the estuary of the mighty Yangzijiang (the Yangtze River). A leisurely cruise down the river lets you admire the soaring skyscrapers, among which the Oriental Pearl Tower, Jin Mao Building and Shanghai World Financial Centre were the world's tallest till dethroned by newer builds. Facing off on the opposite bank is the historic Bund with its colonial era architecture. Interspersed on both banks are gleaming condos, hotels and office-mall complexes. This spectacular lineup is punctuated by picturesque old factories, warehouses and quays bustling with the day's business. As you soak in the splendour, your cruiser weaves through an endless stream of barges, launches and small coastal ships. There used to be waterborne electronic billboards beaming their enticing out-of-home messages straight to the riverside residents. Then you might also