Smithsonian：Epic.Yellowstone（史诗黄石） English Subtitles

1
00:00:01,201 --> 00:00:03,201
     Hi. I'm bill pullman.

2
00:00:03,212 --> 00:00:04,703
   As part of a ranch family,

3
00:00:04,714 --> 00:00:07,956
 I know that water is precious
        here in montana.

4
00:00:07,967 --> 00:00:09,967
It's the lifeblood of the west.

5
00:00:10,044 --> 00:00:12,886
    Most of america's great
  waterways have been dammed,

6
00:00:12,963 --> 00:00:16,056
   But the yellowstone river
        is an exception.

7
00:00:16,133 --> 00:00:20,144
  It flows free for the entire
     length of its journey.

8
00:00:20,220 --> 00:00:23,480
       But it can also be
       a place of peril.

9
00:00:23,557 --> 00:00:25,974
        In this chapter