ALBERTA, Canada — Hidden beneath the slopes of a lush forest in Alberta, Canada, is a mass grave on a monumental scale.Thousands of dinosaurs were buried here, killed in an instant on a day of utterALBERTA, Canada — Hidden beneath the slopes of a lush forest in Alberta, Canada, is a mass grave on a monumental scale.Thousands of dinosaurs were buried here, killed in an instant on a day of utter
Scientists try to solve mystery of mass dinosaur grave beneath lush Canadian forest
