The Panama Canal is an engineering marvel and changed shipping for the entire globe. But getting it built was no picnic. Sure, Panama was the natural place to put such a canal, but there was a mountain in the middle of the narrowest part of the place where the two continents meet. This TED-Ed video condenses the long story into a few minutes, which might make you want to study further. (via Damn Interesting)
Direction shown on the map going from the Atlantic side to the Pacific side is southwest. Actual direction is southeast.
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