Riddle Me This/Riddle Me That

[Crash]

Originally Posted by ulala06

two men walk up a hill each day. one day they walk up the hill and find a cabin which hadn't been there the day before. they look in the window of the cabin and see two dead men. the cause of death is apparent, and obviously unnatural, although there are no signs of physical harm to the men other than some scrapes and bruises. how can they know how the men died?