What strange forces saved one isolated section along the Upper Mississippi River from the repeated crushing and scouring effects of glaciers during...
Ice has always moved. When glaciation took hold some 34 million years ago, interconnected rivers of ice combined to produce the Earth's vast ice...
A short film about the joys of year-round naked swimming in the mountain lakes of Snowdonia, N.Wales.
Glaciers of the Winds is a one-hour documentary on the scientific exploration and retreat of the glaciers in the Wind River Mountains of Wyoming....
무료 무제한 액세스, 아무 광고 나 검색, 수백만 개의 타이틀 및 매일 추가, 모든 플랫폼 및 완전히 최적화 됨, 언제 어디서나