Yellow: Looking forward to the next stop on the “Goodbye-to-The-West” tour?
Red: Are you kidding? Did you know that the Grand Canyon was formed by the uplifting of the Colorado plateau and erosion caused by the Colorado River over a period of 6 million years?
Yellow: Uh huh.
Red: It’s 277 miles long, ranges in width from 4 to 18 miles, and attains a depth of more than a mile?
Yellow: Yes, you mentioned that, too. Twice.
Red: Nearly two billion years of the Earth’s history can be observed in the layers of exposed rock.
Yellow: Did you pack the earplugs?