This photo shows a rare corner window at Pueblo Bonito, which is in Chaco Canyon, New Mexico. There are only seven such windows in the entire 650 rooms at Pueblo Bonito. These windows were used for astronomical observation, and this one determined when the winter solstice arrived.
If you want to know what prehistoric cultures knew about the night sky, do a search for Archaeoastronomy.
Check out my article and you may find your next travel destination.
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