Tourism and Terrorism in Timbuktu – how is one affecting the other in Mali’s famous city?

Timbuktu, in Mali, has UNESCO world heritage status due to it’s ancient heritage and iconic status – http://whc.unesco.org/en/list/119. However, it is listed as being at risk due to advancing desert sands.

Recently, islamic terrorism has affected tourism to the region and this has had a knock on effect on the economy:

http://news.bbc.co.uk/1/hi/programmes/from_our_own_correspondent/8362765.stm

More about Timbuktu here: http://en.wikipedia.org/wiki/Timbuktu