U.S. authorities are investigating whether a Chinese-born woman is responsible for the worst series of vandalism of historic sites in Washington in recent years.
ภาพรอยเปื้อนสีเขียวตามสถานที่สำคัญหลายแห่งในกรุงวอชิงตัน

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National Park Service employees clean green paint from the Lincoln Memorial in Washington, July 26, 2013.

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Green paint is splattered on the base of the statue of Abraham Lincoln at the Lincoln Memorial in Washington, July 26, 2013.

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A close up shows markings in green paint on the base of a statue of Joseph Henry, the first secretary of the Smithsonian Institution, outside the institution's Washington headquarters, July 29, 2013.

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Syrian refugee children play in front of their family residences at Azraq refugee camp near Al Azraq, east of Amman, Jordan, Aug., 2014.