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有志者事竟成

Toledo, Spain (© Carlos Fernandez/Getty Images)

Lincoln Memorial, Washington, DC (© Steve Whiston/Fallen Log Photography/Getty Images)

乱れて咲くしだれ梅の花, 京都府 京都市 (© EvergreenPlanet/Getty Images)

鸟瞰克鲁斯港色彩斑斓的房屋，特内里费岛，西班牙

Hoag's Object: A Nearly Perfect Ring Galaxy