Travel exhibition showcases London as a destination

We know the Olympics gave the captial a huge boost in tourism, but how can that surge be sustained?

Well for the next few days London's economy is set for a multi-million pound boost, simply by hosting an exhibition.

That exhibition brings together 180 countries all showing off their tourist credentials - so can the capital compete with the likes of Floridia and the Carribean? Dan Hewit has been finding out.