Ice Age engravings found in Somerset Press Association Thursday August 18, 2005 The Guardian (UK) A series of rare engravings, believed to date from the Mesolithic period, 10,000 years ago, have been discovered in a cave in Somerset. The three abstract squares, thought to have been made with stone tools, were found in Long Hole cave in Cheddar by the University of Bristol Speleological Society. The find follows the discover of ancient inscribed crosses at nearby Aveline's Hole cave in February this year. Experts have not been able to determine the meaning of the engravings yet, but say they are...