Thousands of people are gathering in Washington to remember the Reverend Martin Luther King Jr's landmark "I Have a Dream" civil-rights speech half a century ago.
ສຫລ ສະຫຼອງ ຄົບຮອບ 50 ປີ ໃນການ ເດີນຂະບວນ ເພື່ອສິດທິ ພົນລະເມືອງ
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Marchers pose for pictures as they commemorate the 50th anniversary of the 1963 March on Washington for Jobs and Freedom at the Lincoln Memorial in Washington, Aug. 24, 2013.
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A marcher holds a sign as she attends the 50th anniversary of the 1963 March on Washington for Jobs and Freedom at the Lincoln Memorial in Washington, Aug. 24, 2013.
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The Martin Luther King Jr. Memorial in Washington, Aug. 22, 2013.