If you could only see what I have seen with your eyes

Why do guardrails make a curlie-cue like this?
Remember the other day I showed you a poor picture of a car off the edge of the road, bringing I95N to a stop? Here's the evidence of that car's last moments. Skidded off the road and hit the road sign.

When I was young, these types of cloudy days were slightly scary... for whatever reason, I used to imagine that these beams of light were God vacuuming up the souls from the grave yards.