I heard birds chirping and opened my eyes sharply. Blue sky with rare white clouds, a few birds playing with insects, a lonely motley butterfly, not seen by me before - that's what appeared to my eyes. I got to my feet and looked around. I was in a huge clearing surrounded by a one and a half meter wall of shrubs, flat, overlaid. Behind the shrub were tall trees, on one side, and a high stone wall on the rest. The grass under your feet is similar to lawn - short, continuous. You walk on such grass as on a carpet. The whole clearing was inhabited by rats, located at a distance of five to six meters from each other and more than fifty from the path leading towards the trees...