Protecting Ancient Paintings
The problem with having such a rich and plentiful source of archeological treasures is that it's so much more difficult to look after every site. I remember in Turkey some of the early Christian paintings in Kapadokya had initials scratched all over them. Only the best sites were really protected from vandals and thieves as there were just so many of them.
African rock art under threat
"International experts in early human art are calling for greater protection to save many of these ancient paintings from destruction."
bbcnews