cross-posted from: https://community.hackliberty.org/post/11946
The Colossi of Memnon each weigh 720 Tons, and were carved from one piece of Quartzite stone (1000 Tons estimated prior to being cut and carved). Even more interesting, is that they originate from a stone quarry in modern day Cairo, Egypt - 420 miles (675 km) away.
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