illicit narcotics and a big part of the equation is restoring the presence of the colombian state in areas where it is absent. we are talking about prosperity. creating opportunities for farmers to do other things. crop substitution and providing the infrastructure to get there legal products to market. if you want to get in touch with me about any of the stories that you have seen so far i'm on twitter. i'm looking forward to hearing from you. still to come on the programme the world's old escape paintings are discovered in indonesia. we get rare access to this remarkable find.