Progress and Pelicans. Western taxpayers are paying for motorways, bridges and railways that are plunging through delicate environments from
Slovakia to Poland. One motorway, the E-79, is planned to cut through the Kresna Gorge in Bulgaria, home to 23 endangered species of bird and several rare reptiles and bats. Alex Kirby travels to the Gorge to meet local naturalists dismayed that alternative routes for the road have not been explored. Producer Alasdair Cross