Rare chance to track dinosaurs this weekend

In the forests of the canton of Jura, lie thousands of footprints left by dinosaurs as they roamed the area 150 million years ago. In what is one of the world’s richest areas for paleontological research, scientists have uncovered very rare dinosaur tracks—some of them tracing individual animals’ paths for longer than the length of a tennis court. And this weekend the public is invited to see them up close. World Radio Switzerland’s Catherine Allen went for a sneak preview: