Is this the oldest and coldest case in history? In 1991, two German hikers found a dead body while walking through Europe’s Ötztal Alps. It turned out to be a perfectly preserved 5,300-year-old mummy. Ötzi the Iceman, as he's now known, has been giving scientists a rare snapshot into Stone Age life. He was wearing goatskin leggings, had a copper-headed axe and a quiver full of arrows nearby. Researchers say Ötzi was around 46 years old and about 160cm tall. They also found out he had 61 tattoos