GEOGRAPHY IN THE NEWS:
An "ice tsunami," sometimes called an "ice shove" or "walking ice," occurs when winds and/or currents force ice out of the water and up a sloping shore. These can result in ice walls up to 40 feet high. In the U.S., ice tsunamis generally happen during the winter, typically in the Great Lakes region. In Siberia, though, ice tsunamis often mark the beginning of summer. This video of an ice tsunami was recorded last June on the Yenisei River, one of Russia's longest rivers and the largest river system running to the Arctic Ocean. www.youtube.com/watch?v=CAb26ebanKE
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