Columbia University is the oldest institution of higher education in New York, and the fifth-oldest in the United States. Today, it is one of the world’s leading research institutions and has a ...
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Medellín, Colombia: Drone tour of the Andean city
Fly above the vibrant "City of Eternal Spring" with this breathtaking drone video of Medellín, Colombia. Witness the city's dramatic location, nestled entirely within the long, steep Aburrá Valley, ...
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