شاهد مقطع فيديو مجاني Olympic National Park: Tides of Change

(272 MB) 12 May 2016 أُضيف يوم عدد مرات اللعب 134 Nature
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Olympic National Park: Tides of Change

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As the climate changes, many early signs will appear along our ocean shorelines. This twelve minute film takes you to Olympic National Park’s wild Pacific Coast and follows marine ecologist Dr. Steve Fradkin as he studies its rocky intertidal zone.