ST. LOUIS — The Saint Louis Zoo will transport guests millions of years back in time starting Friday, June 19, at Dinoroarus (DIE-noh-ROAR-us), a returning, temporary attraction for all-ages. The walk-through experience will feature 20 animatronic dinosaurs and sculptures that will move, roar, spit and chomp their way through the Zoo's Historic Hill, in the valley below the Charles H. Hoessle Herpetarium. The collection spans the Late Triassic through the Late Cretaceous periods, represent...