Thatcher's flag-draped coffin was transported by horse-drawn gun carriage to St. Paul's Cathedral, where world leaders and dignitaries from 170 countries waited.
Britain and World Dignitaries Say Goodbye to 'Iron Lady'
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Military personnel carry the coffin of former British prime minister Margaret Thatcher into St Paul's Cathedral, for her funeral service, in London April 17, 2013.
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Crowds gather to observe the funeral procession of former British prime minister, Margaret Thatcher, as it travels along Ludgate Hill to her funeral service at St Paul's Cathedral, in London April 17, 2013.
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Britain's Queen Elizabeth II, center left, and her husband Prince Philip, the Duke of Edinburgh, arrive for the funeral of former British Prime Minister Margaret Thatcher, outside St. Paul's Cathedral, central London, Wednesday, April 17, 2013.
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The funeral procession of former British prime minister, Margaret Thatcher, travels along Ludgate Hill to her funeral service at St Paul's Cathedral. The coffin was borne on a Gun Carriage drawn by the King's Troop Royal Horse Artillery.