Owner and pilot Steve Terry has moored the ship since Thursday, with no end in sight.

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Some of Richard Wilson's previous works include a large disc sawn out of the facade of a building for the Liverpool Year of Culture and a section of ship moored near the Millennium Dome in 2000, cut vertically to show its cross-section.

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Moored offshore is the MS Explorer, a 75 meter cruise ship which can take up to 105 passengers.

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The barges are moored across the river from the Carnival Triumph, the cruise ship that lost power in February and drifted in the Gulf of Mexico for days before being towed to Mobile for repairs.

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The Royal Navy's largest ship, the helicopter carrier HMS Ocean, is moored in the Thames off Greenwich, where it will be a base for helicopter operations and house troops providing security at the Greenwich Park Olympic venue.

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The Royal Navy's largest ship, the helicopter carrier HMS Ocean, is now moored in the Thames off Greenwich, where it will act as a base for helicopter operations and house 400 troops providing security at the Greenwich Park Olympic venue.

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One ship which has become a major tourist attraction is the Royal Yacht Britannia, which has been permanently moored on the Leith waterfront in Edinburgh.

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