Overview uses satellite and aerial imagery to demonstrate how human activity and natural forces shape our Earth. This perspective provides a powerful look at the planet where we live and the civilization we are creating. Through our daily posts, products, licensing, and collaborations we aim to inspire the Overview Effect.
On August 28, 1963, more than 250,000 civil rights supporters gathered in Washington, D.C. to hear Martin Luther King Jr.’s famous “I Have a Dream” speech. Listeners stretched from the steps of the Lincoln Memorial all the way to the Washington Monument, a distance of nearly one mile (1.3 km). Today—the third Monday of January—marks Martin Luther King Jr. Day in America, a day to remember his life and contributions to the Civil Rights Movement.
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