Jan was a sloppy child. He didn't take good care of his things at all. Blocks and cars were lying around on the floor, the Teddy Bear was hanging on the doorknob by a string and the corners of picture books were curled. mother scolded Jan all the time: "How come you're so sloppy! good children always clean up the mess after playing." Sometimes Jan tried to be a good child and pick up his things, but already the next day he left everything lying around. One evening, when Jan was in bed already, he looked at the wooden pattern on the closet door and started imagining all sorts of things. It seemed to him that one long zig-zag stripe is a river and the darker patches next to it are bushes. After he looked a little bit longer, he already pictured imaginary mountains in the distance and some sort of strange town. This was more like a cave town...