Thousands of dinosaur footprints discovered in Italy
IE 11 is not supported. For an optimal experience visit our site on another browser. Now Playing Thousands of dinosaur footprints discovered in Italy 00:21 UP NEXT U.S. government admits to errors in fatal DCA crash 01:03 New details revealed in Brown University investigation 01:01 85-year-old graduates college decades after starting 00:35 Trump touts progress…