From the Chupacabra to the Yeti, lots of countries and regions around the world have their own myths about strange creatures whose existence has never been scientifically proven - known as cryptids.

These 'eyewitness sightings' have captured people’s imaginations for decades and even centuries. Alex from the What in the World team takes Hannah on a tour of some of them - with help from BBC reporters Beverly Ochieng, Surbhi Kaul, Fan Wang, Blaire Toedte and Anselm Gibbs.

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