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A view of a few of the buildings from San Francisco's Embarcadero Center. This is the Smithsonian Institution's Kogod Courtyard at the Smithsonian's National Portrait Gallery and the Smithsonian American Art Museum. This is the interior of Ronald Regan Washington National Airport in Washington, D.C. The waterfalls at the Smithsonian Institution's Museum of the American Indian. This was shot mid-day, using stacked neutral density filters (1.9 and 0.9) for a 9-stop reduction. The sun setting at San Francisco's Golden Gate Bridge. A photo from the Lincoln Memorial in Washington, D.C. This is a hard place to shoot as the Mall police will not allow you to use a tripod, even when the crowds are small. Then, you have to deal with the crowds.