solitary, escape from furnace, takes place in a prison buried at an unknown distance under the ground. this picture represents the journey that Alex took in the beginning of this book. in book one of this series Alex escapes from furnace into the ground and the tunnels and dark bellow, it picks back up in book 2 with Alex, zee and Gary fleeing underground. this picture is represented by the dark they went through and the type of stuff they were in.