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 tunnel people of Las Vegas: How 1,000 live in flooded labyrinth under Sin City's shimmering strip. Deep beneath Vegasâs glittering lights lies a sinister labyrinth inhabited by poisonous spiders and a man nicknamed The Troll who wields an iron bar. But astonishingly, the 200 miles of flood tunnels are also home to 1,000 people who eke out a living in the stripâs dark underbelly.