Thanks, pretty cool. I never knew about the sheep. One thing they didn't mention, if you notice a wall with lots of smaller rocks it was most likely used for cultivation. Farmers wouldn't bother for grazing.
I have to admit it's actually getting dry around here. The ponds are down and the streams are non-existent. Cut some trees from the canopy today and the tops were toast. Don't get some rain soon it will be a pretty dismal foliage year.