it was a perfect day for climbing into cool natural caves and hiking trails along the gorge, with its rushing rapids and serene pools. there are so many contrasting, dramatic colors, textures, and sensations this time of year. plus it helps us to get outside of our heads and anxieties. the tree cross section is from a tree hundreds of years old, whose rings represent historical events in ohio. it began its life in the 1600s, around when the shawnee tribe came to ohio, and died around the time of the viet nam war.