Many firefighters are taught to search for victims in fake smoke where they heat up rescue mannequins. This can be detrimental to them as they begin to associate a victim with being white hot but when in a superheated environment, the victim will either appear dark or blend in with the background. And when discussing firefighter disorientation, cold areas should be focused on as they may provide the firefighter the information to lead them out of the structure as shown in the hose-line in the following image.