In the Czech region of Brdy, beavers built a dam in just two days, saving the authorities 30 million Czech koruna (1.2 million euros). While human construction was slowed due to necessary permits, the beavers demonstrated their efficiency. Zoologist Jiří Vlček highlights that beavers act instinctively and swiftly, while ecologists emphasize that their dam creates ideal conditions for the local ecosystem. Jaroslav Obermajer from the Czech Nature Conservation Agency notes that beavers intuitively
Beavers built a dam in two days, saving a lot of money.
