Jul 31, 2018
Dr. Clark taught us how to make obsidian blades today using an ancient technique with wooden tools. #obsidian#learningnewthings#ancienttools#advenduresinmexico (at San Cristóbal de las Casas, Chiapas)
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Dr. Clark taught us how to make obsidian blades today using an ancient technique with wooden tools. #obsidian#learningnewthings#ancienttools#advenduresinmexico (at San Cristóbal de las Casas, Chiapas)