[세상만사] 녹기 전에 얼음을 깨야하는 이유

-화면제공 : TNV -폴란드 비스툴라 강 (2021. 2. 24) -비스툴라강의 얼음을 깨는 쇄빙선 -날이 풀리면 저절로 녹을 텐데 굳이 왜? -해빙기에 얼음이 한꺼번에 하류로 떠내려가면 물길이 막혀 넘칠까 봐 미리 깨는 거래요 -구성 방병삼 #폴란드_비스툴라강 #쇄빙선 #홍수_대비_강_얼음깨기 #Poland_Frozen_River_icebreaking #Polish_icebreakers #Vistula_River storyline After smashing through an ice obstruction on a reservoir, Polish icebreakers operating on the Vistula River are opening a channel through the ice amid fears of flooding when the frozen body of water thaws. The water level in the town of Plock is slowly starting to drop but remains high and exceeds the warning levels. Icebreakers have broken a 400-meter-wide channel and the Vistula can now flow freely into the sea with a reduced risk of flooding.