Last reviewed: 20.5.2009 - 4.06pm
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Exploratory works outside the Palace of Westminster
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Aldo Zilli shows-off his new water carafe
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Winning carafe on display at Zilli Fish restaurant
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Aldo Zilli receives the first box of TapTop carafes
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Boris Johnson launches plating scheme in London
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Checking for underground leaks outside Parliament
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John Curry and his Leakfrog leakage detection device
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Renewing London's Victorian water mains, Piccadilly
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Renewing London's Victorian water mains, St Paul's area
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Engineers installing a water meter
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Close-up of water meter installation
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Sewer flushers from Hammersmith
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Sewer flushers from Hammersmith
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Abbey Mills Pumping Station in Stratford, East London
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The new Abbey Mills Pumping Station
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Aerial shot of Beckton Sewage Treatment Works
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Engineer inside the Thames Water Ring Main, London
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Crossness's sludge powered energy generator
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Engineer surveying Honor Oak underground reservoir
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Aerial view of Farmoor Reservoir, Oxfordshire
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Aerial view of Mogden Sewage Treatment Works
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Reading Sewage Treatment Works' egg-shaped digesters
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Storm discharges from Abbey Mills, East London
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Analysts examining water samples
