the railroad builders - part 17 of 24. film presents a dramatic account of the building of the first transcontinental railroad and explains how the railroad builders contributed to the westward expansion of the united states - 枕木 個影片檔及 b 捲影像00:32美國
the railroad builders - part 16 of 24. film presents a dramatic account of the building of the first transcontinental railroad and explains how the railroad builders contributed to the westward expansion of the united states - 枕木 個影片檔及 b 捲影像00:31
the railroad builders - part 15 of 24. film presents a dramatic account of the building of the first transcontinental railroad and explains how the railroad builders contributed to the westward expansion of the united states - 枕木 個影片檔及 b 捲影像00:31
the railroad builders - part 14 of 24. film presents a dramatic account of the building of the first transcontinental railroad and explains how the railroad builders contributed to the westward expansion of the united states - 枕木 個影片檔及 b 捲影像00:35美國
the railroad builders - part 13 of 24. film presents a dramatic account of the building of the first transcontinental railroad and explains how the railroad builders contributed to the westward expansion of the united states - 枕木 個影片檔及 b 捲影像00:31
"railroad through the andes - ecuador's link with pacific" superimposed over train with workmen on top thru mountains / map of north and south... - 枕木 個影片檔及 b 捲影像01:03
high angle aerial view of high speed train maintenance centre depot with train lines - 枕木 個影片檔及 b 捲影像00:06
high angle aerial view of high speed train maintenance centre depot with train lines - 枕木 個影片檔及 b 捲影像00:17
high angle aerial view of high speed train maintenance centre depot with train lines - 枕木 個影片檔及 b 捲影像00:14
high angle aerial view of high speed train maintenance centre depot with train lines - 枕木 個影片檔及 b 捲影像00:21
high angle aerial view of high speed train maintenance centre depot with train lines - 枕木 個影片檔及 b 捲影像00:28
