23 ฤดูกาล
705 ตอน
Modern Marvels - Season 6 Episode 39
Well over two million years before the evolution of modern man, his primitive ancestors were making tools. The use of tools is thought to be one of the keys to human evolution itself and it permeates nearly every aspect of history. We even measure history according to our ability to craft tools; the Stone Age, the Bronze Age, the Iron Age.
- ประเทศ : United States of America
- ประเภท : Documentary
- ผู้อำนวยการ : Bruce Nash
- นักแสดง :
