Clarence House: Stunning view of The Whitehouse. This photograph was taken from the roof of the Hay-Adams Hotel where The Prince of Wales will give a speech at an event to address marine plastic waste, co-hosted by his International Sustainability Unit. #RoyalVisitUSA

Stunning view of The Whitehouse. This photograph was taken from the roof of the Hay-Adams Hotel where The Prince of Wales will give a speech at an event to address marine plastic waste, co-hosted by his International Sustainability Unit. #RoyalVisitUSA

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