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DVD, 2001
Current format, DVD, 2001, , Available .
DVD, 2001
Current format, DVD, 2001, , Available . Offered in 0 more formats
Tidal seas: The sun and moon move billions of tons of water with every turn of the tide. The strongest tides empty entire bays, smash trees on riverbanks and strand sea creatures on suddenly dry land. Weaker tides control the movements of huge movements of huge numbers of fish. Tides can create unbelievable landscapes. Coasts: From rocky cliffs to gentle dunes, the coasts are always changing. Day in and day out, they are battered by crashing waves. Seabirds come here by the thousands to nest, while baby turtles hatch and race to the sea, pursued by hungry predators.
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