À propos Shawn Willsey
Geology Education Videos For All
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Sharon Stewart a acheté 5 pizzas .
Linda Archinal a acheté un pizza .
Robert Walker a acheté 5 pizzas .
Great job, I like the format.
Amy Smith a acheté un pizza .
Thank you for making geology accessible and fascinating to non-scientists all over the world
fb a acheté 5 pizzas .
always a pleasure to get factual updates on geology events and all the other geo explanations. thanks for spending the time making these. greetings from northern germany!