Causes: It is caused by yeast called Malassezia, which normally exist in small numbers on the skin. Certain conditions however, can cause the overgrowth of the yeast, causing the development of white and reddish-brown spots on skin.
The 3 men all escaped and made it back to the Britain.   The Great Escape shown in the film happened in March 1944 having been planned first in January 1943. It consisted as per the film of 3 tunnels Tom Dick and Harry, Tom being discovered by the Gestapo.
The Maze as shown in the film. The Maze is the Phase One of the Trials created by WICKED personnel for the Gladers to try and solve. Upon completion, the Gladers enter an entirely new world: the world that they were taken from.