Carving found in Gower cave could be oldest rock art

"An archaeologist believes a wall carving in a south Wales cave could be Britain's oldest example of rock art. The faint scratchings of a speared reindeer are believed to have been carved by a hunter-gatherer in the Ice Age more than 14,000 years ago. "

http://www.bbc.co.uk/news/uk-wales-south-west-wales-14272126