This Aug. 28, 2017 photo shows workers unearthing a fossil of a triceratops dinosaur discovered by construction workers on Aug. 25 in Thornton, Colorado. Denver Museum of Nature and Science curator of dinosaurs Joe Sertich says the find is one of three triceratops skulls found along the Colorado Front Range and has likely been there for at least 66 million years. (Photo/Agencies)
