What do Ventura County, Calif., and the Front Range of Colorado's Rocky Mountains have in common?
Ventura, which encompasses the city of Los Angeles, has a Mediterranean climate and habitat; the Front Range surrounding Denver is cooler, drier and is lined with tall conifers instead of low, dense shrubs.
Both, however, have people. Lots of them.
But it's what else they have in common that tells the real tale of these urban areas.