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A picture of three military helicopters flying.
Picture by Elen Schurova, CC BY-SA 2.0, via Wikimedia Commons
A picture of the mast of a Hōkūleʻa (a Polynesian double-hulled voyaging canoe.)
Picture by Miliefsk, CC BY-SA 4.0, via Wikimedia Commons
A blurred picture of a person walking in a street at night.
Art by David Hammons. Courtesy of Harvard University Art Museums. Public domain.
A dock extending into the ocean
Photo by Nikita Castro on Unsplash
Dramatic clouds over a mountain and ocean in Puerto Rico
Photo by Rick Lipsett on Unsplash