蜜芽传媒

World Physical Clips

1. After the Ice Age - Glacial breach

   Duration: 01:04

2. New Zealand - plate tectonics theory

   Duration: 04:18

3. The River Severn - lower course and estuary

   Duration: 04:16

4. Glacial drift, boulder clay and outwash

   Duration: 03:58

5. The River Severn - the upper course

   Duration: 04:24

6. The Sonoran Desert - under threat

   Duration: 05:01

7. An introduction to the Sonoran Desert

   Duration: 05:33

8. River management - the Mississippi

   Duration: 05:48

9. White Island - New Zealand volcanoes

   Duration: 02:14

10. River valleys - The Rakaia, New Zealand

    Duration: 04:31