Overview:Before texting, emoji and a written languages our ancestors used cave art. Follow Paleoanthropologist Genevieve Von Petzinger story about her job uncovering the meaning behind these markings.
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First Air Date: Aug 02, 2018Last Air date: Jan 17, 2019Season: 1 SeasonEpisode: 16 EpisodeRuntime: 26:14 minutesQuality: HDIMDb: 10 / 10 by 0 usersPopularity: 1.774Language: en
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