ویدیوی رایگان GCNP: Water Temperature & Flow Variations را تماشا کنید
توضیحات انیمیشن:
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.
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.