Xem hoạt hình miễn phí GCNP: Water Temperature & Flow Variations

(88.9 MB) được thêm vào 13 May 2016 220 số lần chơi Nước Nature
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GCNP: Water Temperature & Flow Variations

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Mô tả ảnh động:

What you need to know to deal with cold Colorado River water, treating hypothermia, and how water level fluctuations will effect the way you camp by the river.