Worldbuilding Wednesday - Stone Tools, Cave Paintings, & Exploration

Three from the National Geographic YouTube channel this week including "Oldest Known Stone Tools Discovered: 3.3 Million Years Old."  Sure, but if they were made on a Monday, I don't want to pay full price.

Also, they ask the question, "Did Humans Make These Ancient Cave Paintings?"  Watch and discover what they think.

Finally, check out the promo for "Mapping the Underworld | The Big Picture with Kal Penn."  Looks worth a watch.

Worldbuilding Wednesday on GRYMVALD.com
The nuts and bolts of Worldbuilding
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