close-up view of tassili n'ajjer unique prehistoric cave art, south algeria - 穴居人 個影片檔及 b 捲影像00:11石洞壁畫
close-up view of tassili n'ajjer unique prehistoric cave art, south algeria - 穴居人 個影片檔及 b 捲影像00:18石洞壁畫
close-up view of tassili n'ajjer unique prehistoric cave art, south algeria - 穴居人 個影片檔及 b 捲影像00:13石洞壁畫
close-up view of tassili n'ajjer unique prehistoric cave art, south algeria - 穴居人 個影片檔及 b 捲影像00:14石洞壁畫
medium long shot static - a prehistoric man hunts a mammoth. / dallas, texas, usa - 穴居人 個影片檔及 b 捲影像00:12
uses the ramp of a parking garage to illustrate the principles that apply to machines belonging to the lever and plane families. discusses the... - 穴居人 個影片檔及 b 捲影像00:35
british fashion designer, jeff banks, comments on the appeal of fashion to women, "i s'pose, ever since the, eh, first cavewoman, eh, found that,... - 穴居人 個影片檔及 b 捲影像00:15
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:09
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:06
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:06
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:16
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:05
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:18
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:11
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:14
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:15
rock art stone carving art of humans, animals and handprints covering the cliffs in ubon ratchathani, thailand. - 穴居人 個影片檔及 b 捲影像00:15
the industrial revolution in england - part 16 of 46. dramatizes the changes in england during the 19th century, when the nation became "the workshop of the world." shows how "the domestic system" was replaced by "the factory system." explains how the spi - 穴居人 個影片檔及 b 捲影像00:27
food - part 9 of 18. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their physical environment, seeking ans - 穴居人 個影片檔及 b 捲影像00:37
food - part 8 of 18. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their physical environment, seeking ans - 穴居人 個影片檔及 b 捲影像00:31
if you could see the earth - part 1 of 16. a voyage into space, filmed completely in animation, reveals to the very young student the fact that the world is round and moves in orbit around the sun, causing day and night. sequences shot from a space ship s - 穴居人 個影片檔及 b 捲影像00:28
the calendar: our record of time - part 8 of 18. film highlights the development of the calendar from prehistoric times -- when man counted days by the rising and setting of the sun -- to the practical calendar we use today - 穴居人 個影片檔及 b 捲影像00:31
the calendar: our record of time - part 7 of 18. film highlights the development of the calendar from prehistoric times -- when man counted days by the rising and setting of the sun -- to the practical calendar we use today - 穴居人 個影片檔及 b 捲影像00:36