Richard Clay looks for what it is that has made us scribble and scratch mementoes of our lives for over 30,000 years, from prehistoric cave paintings to contemporary street art. Show more
Discover 11,128,835 listings and 280,381 playable programmes from the BBC
Richard Clay looks for what it is that has made us scribble and scratch mementoes of our lives for over 30,000 years, from prehistoric cave paintings to contemporary street art. Show more