22 ฤดูกาล
113 ตอน
Secrets of the Dead - Season 20 Episode 7
Discover the world of dinosaur collecting, a controversial hobby with a booming market. Hear perspectives on the fossil trade from private collectors, paleontologists, and others, as "Big John"—the largest Triceratops fossil ever found—is assembled in Italy and auctioned in France.
- ประเทศ : United Kingdom, United States of America
- ประเภท : Documentary, Mystery
- ผู้อำนวยการ :
- นักแสดง :
