A bald eagle flew through the heavens above what conversely named erosion?
Options:
- colorado
- hells canyon
- sky
- south lake tahoe
- central idaho Hmmm, let me think.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Canyon is a narrow valley between mountains. Canyon is formed due to erosion of soil by river water.
So, the answer is hells canyon.