This was kind of an interesting discovery at Bonny Doon. As I mentioned the hills are made of sandstone, and from my earlier photo, you can see that it is easy for people to carve graffitti into the rock. Another thing that has been done is carve these ridges into the rock to make it…

Raf and I went on a little hike today at the Bonny Doon Ecological Preserve. I’ve blogged about that place before. This time we went to this area where there are some sandstone carvings. It was really hilly but fun to climb the sandstone hills. I took some pics that I will post this week.…