アイオワ川上流の石灰岩の崖 - 4K 映像素材

These drone clips feature the Upper Iowa River near Bluffton and Decorah, Iowa, during a warm summer day.What makes this spot unique? Good current, clear water, little development, pine trees, but most of all, massive limestone bluffs called palisades which tower over 300′ high above the river.The tall chalky limestone bluffs should be on any paddler’s bucket list... it's kind of a Midwest Mecca for kayakers and canoeists alike.