Under attack from beetles, ancient Polish forest faces chop

Inside Poland's ancient Bialowieza Forest, birds chirp and bison graze as visitors explore the lush green surroundings, a home to boars, beavers, lynx - and beetles. Occupying almost 580 square miles of woodland, Bialowieza is a UNESCO World Heritage site sprawling across the border with Bielorussia. Foresters working in Bialowieza and the government say the solution is to cut down more trees, to save other trees.