Thousands of dinosaur footprints found on Alpine cliffs near Winter Olympics site

Italian paleontologists have uncovered thousands of dinosaur footprints on a near-vertical rock face more than 2,000 metres above sea level in the Stelvio National Park, a discovery they say is among the world’s richest sites for the Triassic period. The tracks, some up to 40 cm wide and showing claw marks, stretch for about five […]