Whoa, that is cool!
I have a story to tell about something similar to that picture. Sorry it's kinda long.
One time about 12 years ago, me, my mom and dad, and aunt and uncle decide to hike all the way to the bottom and back out in one day, which they post signs and strongly urge you not to do. So we started out maybe an hour after sun up and it was such an beautiful and enjoyable activity to be doing. I was just relishing the experience. It was nice on the way down. Can't remember how long to the bottom but must've been 4 or 5 hours. And the temperature at the top was greatly different than inside the gorge. Probably a difference of 40, 50 degrees. It was SCORCHING in the inner gorge. We thought we had taken plenty of water but we were really going through it fast when it was so hot and this was just on the way down! It's four times as hard going up!
We got to the bottom and walked around the camp a bit and filled up all our bottles and started our hike out because we realized we couldn't waste too much time. Hiking out of that inner gorge when it's 120 degrees and knowing you can't stop because the last bus to take you back to your hotel stops at 7 or so at night, so if you miss that you have to hike another 5 miles in the dark. Well, we basically drank most our water just getting out of the inner hot part. We still had a long way to go and were very exhausted and my mom and my uncle were'nt doing so good. We kept the option open that we might have had to use one of the emergency phones on the trail to helicopter us out of there. But we kept hiking and it was getting cooler but we had to conserve the water. Well, about half way out the sky started turning black and it was getting VERY cold. After about an hour one of the severest storms I'd ever seen unleashed itself with HUGE thunder, and lighting, and wind, and it was so COLD. The only people out there were us and three kids(2 girls and 1 boy) from Europe traveling across the country. So we all gathered behind these huge rocks out in the open because that was the only place to get cover. It poured for probably an hour, and when we got started again it was a muddy mess. The trails there are really pretty skinny and trying to go up them was just the worst. The storm though was a godsend, because it came and cooled us down and gave us more water that we needed, if not we would have run out of water and it would have been much hotter. So we finally made it to the top along with our three new young friends from Europe. We helped each other hike out of that place. We just made it a few minutes before the final bus. And when we got back to the top and it started to get sunny and we looked back and there was a huge rainbow just like the one in you picture.
We invited the three kids and treated them to dinner and to take showers and clean up in our hotel room because we were just all covered in mud. They didn't have a room because they were sleeping out of a pick-up truck that they were getting paid to drive from the east coast to LA. Sorry if that was a long story but you're picture took me back to that moment. :o
