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A 1965 issued 5 cent United States postage stamp showing New York World's Fair.

Massachusetts Institute of Technology William Barton Rogers building in Boston, Massachusetts, USA.

Cambridge, MA, USA - June 29, 2022: A student walks past the Memorial Church of Harvard University, in the center of the Harvard Yard, in Cambridge, Massachusetts.

Vintage photograph of The White House, Washington DC,19th Century

The Great Dome Building in Massachusetts

Harris County Courthouse in historic district of downtown Houston, Texas.

$London, England 1800s: The Royal Observatory, Greenwich is in Greenwich Park in south east London.\n\nCommissioned in 1675 by King Charles II. The site was chosen by Sir Christopher Wren,$

$The famous Danish philosopher and author Søren Kirkegaard (1813-1855) is buried - with his family - in Assistens Cemetery.\nAssistens Cemetery in the district Nørrebro in Copenhagen, Denmark was established in 1790 outside the old walls of Copenhagen. Many famous Danes are buried there$

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Portland, OR, USA June 4, 2014: Exterior of Union Station in Portland, OR.

Shenzhen, China -February 17 , 2024: Scientific sculpture from Fudan University in Shanghai, China, about early China, a device used to observe time in ancient China

main entrance to the American Embassy building in Tehran with the American emblem above the door

Portland, Oregon. City buildings on a sunny day

Jilin University located in Changchun, founded in 1946, is a leading national research university under the direct jurisdiction of China's Ministry of Education.

Henry L Pierce Engineering Laboratory University building in Boston, Massachusetts, USA.

Porticos and columns of the 19th century historic buildings at the Snug Harbor, Staten Island, NY, USA

Vintage photograph of Camille Flammarion, French astronomer, looking through telescope at Observatory at Juvisy-sur-Orge, 1890s

New York City, USA - August 22, 2022: Columbia University Libraries at Morningside Heights campus in Manhattan, New York City, USA.

Granville, France - Apr 14, 2024: German battery built at Pointe du Roc during Second World War. Sunny spring day. Selective focus

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City Square information sign in Boston, Massachusetts, USA.

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Boston, Massachusetts, USA - February 1, 2024: General Hooker Entrance to the Massachusetts State House. Joseph Hooker was an American Civil War general for the Union, chiefly remembered for his decisive defeat by Confederate General Robert E. Lee at the Battle of Chancellorsville in 1863. The Massachusetts State House is the state capitol and seat of government for the Commonwealth of Massachusetts, located in the Beacon Hill neighborhood of Boston.

Philadelphia, Pa. USA, July 27, 2018: Independence Hall clock tower located in Philadelphia, Pa. USA

July 1, 2022, Clock tower and Irving K Barber Learning Centre at the University of British Columbia campus, Vancouver, Canada

Free Images: "bestof:First hired by Harvard College Observatory to carry out astronomical calculations, Annie Jump Cannon (1863-1941) eventually became one of the foremost American"

Graham_Wallas_(right),_K.B._Smellie_(left),_1925.jpg

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