human bones found at gough 's cave in cheddar gorge , somerset , bore cuts and bite marks proving the people there engaged in ritual cannibalism .
the remains have been found to be 14,700 years ago and belonged to prehistoric modern human hunter-gatherers known as the magdalenians .
skulls found in the cave also had been cut and shaped into bowls and cups .
researchers at the natural history museum in london believe cannibalism may have been regular part of disposing of dead relatives at the time .