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More than 1,000 boats will take part in a huge flotilla down the Thames on 3rd June to celebrate the Queen's Diamond Jubilee.
Led by the Royal Rowing Barge Gloriana, around one million spectators are expected to watch the boats sail from Hammersmith to Tower Bridge.
The boats are arriving on the Thames from all over the Commonwealth. See what boats you can expect in the flotilla with our guide below.