View of the Prismas Basálticos in Huasca de Ocampo, Hidalgo, Mexico (© Marcos Ferro/Aurora Photos)
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- What happens when slow-cooled basalt rock is cut away by moving water?""This happens
- A visit to this geologic spectacle means a visit to the nearby village.""It\s a favored weekend getaway for residents of Mexico City
- What to do with all the volcanic rock in the surrounding hillsides?""Make molcajetes
- Silver mines in the region made Pedro Romero de Terreros one of the richest men in the world during the 1700s.""One of his estates near here is now a popular tourist attraction
