From the story archive · Fictional encounter
Sunrise hot air balloon ride over the Grand Canyon. Six strangers sharing a once-in-a-lifetime experience. Complete silence as we take in the majesty when—PFFFT—a barking spider adds its echo to the canyon.
The pilot, a grizzled veteran of the skies, simply said, "In twenty years of flying these canyons, that's the first time I've heard the canyon speak back." Everyone laughed so hard we had to adjust the ballast.