What could be the oldest lifelike drawings of human faces have been uncovered in a cave in southern France. The images were first recognised over 50 years ago, but were then lost after doubts were cast on their authenticity. Now, one German scientist, Dr Michael Rappenglueck, of Munich University, says it is time the pictures were reassessed. And there could be other surprises awaiting archaeologists, he believes, when they look not at the walls of prehistoric painted caves, but at the floor.
http://news.bbc.co.uk/hi/english/sci/tech/newsid_2012000/2012385.stm
