This NASA astronaut photograph highlights Cerro (Spanish for "hill") Culiacan, part of the 50,000 km2 Michoacán-Guanajuato volcanic field of west-central Mexico. (Photo/IC)
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This NASA astronaut photograph highlights Cerro (Spanish for "hill") Culiacan, part of the 50,000 km2 Michoacán-Guanajuato volcanic field of west-central Mexico. (Photo/IC)