What do historians think Machu Picchu was mostly likely used for?

Archeologists sway much further towards the idea of Machu Picchu being primarily a religious site. The Temple of the Sun, the Room of the Three Windows and the Temple of the Intihuatana (believed to function as a solar calendar or clock) provide ample evidence of Machu Picchu’s religious importance. Whether the site was primarily a ceremonial center, however, is still subject to debate.

the chinese were most interested in gold

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- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

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