ski-jump spillway

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Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

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Adolf Hitler (Nazi, nazism, German leader).

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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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ski-jump spillway

engineering

Learn about this topic in these articles:

embankment dams

In dam: Spillways
…this is known as a ski-jump spillway.
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