they're studying agricultural science at the university of narino.they're learning about sustainable farming methods. how to take care of the soil is just one of many new skills that they're learning at a model finca. the idea is that farmers would also be able to come here in the future to watch how sustainable farming methods can be combined with modern, small-scale technology. and so we find ourselves standing on the edge of a valley that shows what the future could hold for colombia. where areas that were once almost barren could be transformed into green oases like this one. anchor: and that's all from "global 3000" for today. we'll be back again next week with more interesting topics. we love hearing from you, so do write on our facebook page or send us an email to global3000@dw.com. steves: from the destruction of world war ii, europe has steadily rebuilt itself into a forward-looking and united continent. with the creation of the european union, economic integration has made another devastating war unthinkable. there has been a massive invest