Many Sturdy Bridges A shot of one of many sturdy metal bridges crossing Bright Angel Creek along the North Kaibab Trail. The construction quality of these bridges is very robust - they come across as something a railway engineer would build.
This image is from the presentation "Desert Southwest - The Checklist Edition - Grand Canyon Rim-to-Rim Traverse, Day 2 - Clear Creek Campsite to Cottonwood Campsite".