Dams
From the Series X-treme Facts: Engineering
Have you ever wondered what engineers do with the water of a river as they are building a dam? Sometimes, they move the entire river out of the way! And did you know there's a dam so big it is slowing down Earth? Have you heard of a fish cannon sending salmon safely upstream of dams? These huge engineering projects are incredible! Discover extreme facts about dams in this fun and kooky book.
