None of it was blind. You can see through every one. Also, the camera didn’t have the contrast ability to show that I could see deep into the tunnel. Why do to think the corners were blind? Did you see some trees or berms that werent there?

This road was so much fun I rode up it twice in 2012. You can see this section starting at 1m30sec. https://youtu.be/za0mQFl-4jI?si=rYq6qbP8caSD_bIQ

It uses apostrophes to the utmost: fo’c·'sle!