br00t4c, 1 month ago Early Humans Sheltered in This Lava Tube 10,000 Years Ago--And It's Still in Use Today #stone https://www.scientificamerican.com/article/early-humans-sheltered-in-this-lava-tube-10-000-years-ago-and-its-still-in/
Early Humans Sheltered in This Lava Tube 10,000 Years Ago--And It's Still in Use Today
#stone
https://www.scientificamerican.com/article/early-humans-sheltered-in-this-lava-tube-10-000-years-ago-and-its-still-in/