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Inside Number One Observatory Circle – secrets of Kamala Harris's house from someone who used to work there
If walls could talk, Number One Observatory Circle would share some stories. The residence has welcomed every Vice President since Walter Mondale in the 1970s and, today serves as Kamala Harris's ...
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Nabta Playa: A mysterious stone circle that may be the world's oldest astronomical observatory
What it is: An ancient stone circle in the Egyptian desert that may be the oldest known astronomical observatory Where it is from: An desert area of southern Egypt, about 175 miles (280 kilometers ...