On March 9, 2026, the U.S. Coast Guard Cutter Spar began icebreaking operations in Duluth-Superior Harbor, signaling that the long winter grip on Lake Superior is slowly loosening as the Great Lakes shipping season draws closer.
Neste vídeo, você verá o cortador da guarda costeira chamado Spar começando a quebrar o gelo no porto de Duluth.…