Right after fire & water, one of the ancients’ favorite advancements in human evolution was surely indoor lighting. Indoor lighting, outdoor lighting, they loved it all! I believe it was Trog who once said, “It’s all about the lighting,” before he was savagely eaten by a saber toothed tiger*.
*It would take humanity another 62,000 years before it would discover The Ring and other easily affordable home security systems.
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