1925 stranded explorer captures attention of men at base of sheer cliff in jungle - 定繩 個影片檔及 b 捲影像01:31
mongolian young people taking care of horses at orkhon valley cultural landscape in mongolia - 定繩 個影片檔及 b 捲影像00:12
refugee camp in macedonia; macedonia: blace:extgv rows of green tents in refugee camp / int tent woman & daughter organising belongings in tent / ext... - 定繩 個影片檔及 b 捲影像03:07
young multiracial man swinging in a hammock in a pleasant laziness of a weekend morning. - 定繩 個影片檔及 b 捲影像00:08
anemometer, communications tower and non directional beacon (ndb) antenna, mungalalu truscott airbase, wa, australia - 定繩 個影片檔及 b 捲影像00:10
non directional beacon (ndb) antenna, mungalalu truscott airbase, wa, australia - 定繩 個影片檔及 b 捲影像00:06
non directional beacon (ndb) antenna, mungalalu truscott airbase, wa, australia - 定繩 個影片檔及 b 捲影像00:19
energy and work - part 9 of 19. demonstrates some characteristics of energy: its ability to do work; that it is neither created nor destroyed, but changed from one form to another; that energy can be stored; and that the energy in moving objects is kineti - 定繩 個影片檔及 b 捲影像00:30
energy and work - part 8 of 19. demonstrates some characteristics of energy: its ability to do work; that it is neither created nor destroyed, but changed from one form to another; that energy can be stored; and that the energy in moving objects is kineti - 定繩 個影片檔及 b 捲影像00:24
energy and work - part 7 of 19. demonstrates some characteristics of energy: its ability to do work; that it is neither created nor destroyed, but changed from one form to another; that energy can be stored; and that the energy in moving objects is kineti - 定繩 個影片檔及 b 捲影像00:35
energy and work - part 6 of 19. demonstrates some characteristics of energy: its ability to do work; that it is neither created nor destroyed, but changed from one form to another; that energy can be stored; and that the energy in moving objects is kineti - 定繩 個影片檔及 b 捲影像00:38
let's go to the circus - part 8 of 14. from ringside seats at the circus, children see the thrills and spectacles of the world's greatest show. social studies teachers can use this film as an introduction to a well-known entertainment and to the way circu - 定繩 個影片檔及 b 捲影像00:31
let's go to the circus - part 7 of 14. from ringside seats at the circus, children see the thrills and spectacles of the world's greatest show. social studies teachers can use this film as an introduction to a well-known entertainment and to the way circu - 定繩 個影片檔及 b 捲影像00:31
safety adventures out of doors - part 11 of 19. the film demonstrates good safety practices in swimming, boating, camping and hiking, building a fire, and using playground equipment - 定繩 個影片檔及 b 捲影像00:35
