From PBS and American Experience - In the summer of 1868, paleontologist Othniel Charles Marsh boarded a Union Pacific train for a sightseeing excursion through the heart of the newly opened American West. While most passengers simply saw magnificent landscapes, Marsh soon realized he was traveling through the greatest dinosaur burial ground of all time.
ستظهر التعليقات هنا بمجرد مشاركة الأعضاء لأفكارهم.
لا توجد موسيقى بعد
إضافة موسيقى تصويريةإعلان
