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Full Transcript
00:00:01.000 --> 00:00:03.252
As river water flows downstream,
00:00:03.335 --> 00:00:09.055
it scours out billions of tons of sand
and gravel and even shifts great boulders.
00:00:12.072 --> 00:00:16.474
The finer sediments may be transported
for hundreds of miles,
00:00:16.557 --> 00:00:19.056
but as the river broadens, it slows.
00:00:21.145 --> 00:00:25.399
And as a consequence,
it begins to drop some of its load.
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Movie Summary
Travel back 66 million years to when majestic dinosaurs and extraordinary creatures roamed the lands, seas, and skies.