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為什麼河狸要蓋水壩？
665,807 plays
|
Glynnis Hood
|
TED-Ed
• January 2023
Read transcript
北加拿大的偏遠森林中，座落著世界上最長的河狸水壩。這個全長達850公尺的水壩，大到可被衛星影像清楚拍下，也為當地環境帶來巨大改變，打造出了一個七千萬公升的湖泊。但是，不管河狸的水壩有多大，都能對環境帶來許多影響。所以，河狸到底怎麼蓋出這些神奇的水壩？葛萊妮絲‧胡德帶我們深入了解河狸的建築才華。 課程：葛萊妮絲‧胡德；導演：基根‧桑希爾
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