THE WHITE BACKDROP. The ground is invisible. a 1st tiny dead tree is 6 feet right of the cactus.a 2nd tiny dead tree is 2 feet left of the cactus.a 1st rock is 1 feet behind the 1st dead tree.a 2nd rock is 3 feet in front of the cactus.the 2nd tree is facing northwest.a 3rd rock is 2 feet behind the cactus. a 4th rock is 2 feet in front of the 2nd tree. A 0.5 foot tall 40 foot wide 40 foot deep dune is -5.1 feet above the 1st tree. 5th rock is 9 foot east of 3rd rock. 3rd tiny dead tree is 3 foot north of 5th rock.