Photos: Five explanations of the Bigfoot legend

Next to the Loch Ness monster and the Yeti or abominable snowman, the Bigfoot or Sasquatch is the world’s most famous cryptid (extinct, mythological or folkloric animal). Sightings of this monster have long been reported in various parts of the United States, but none that provide conclusive evidence. These are the five main theories that may provide an answer to the myth.