This video footage I shot a few weeks ago needs no explanation. For those interested, I've written the story of how I came upon these sheep below the video. A few weeks ago as I was driving down Provo Canyon I saw a cream-colored line moving horizontally along a hillside that curved into Wallsburg Canyon. The hills and mountains by now were dry and brown. I couldn't figure out what would move like that on a hill. When I got closer I realized I was looking at hundreds upon hundreds of sheep that were following each other to new pasture. I pulled my car over and watched in awe. One sheep had ended up on the wrong side of the fence and as I heard him call out to the sheep who had stopped to graze on the other side, and watched a big, white dog come up to...