In 2016, The Hague, Netherlands spent $220,000 (US dollars) to build a bridge across a busy highway for . . . SQUIRRELS! Local officials wanted to make sure squirrel population numbers did not decline, so they wanted to come up with a safe way for squirrels to find a mate, without getting killed trying to cross the highway.
Here is the actual bridge:
![Image](https://sbing.com/i/gallery2/549738-490.jpg)