Does nature always know best? The British government has approved the reintroduction of beavers to the countryside, but not everyone is enthusiastic about the idea.
Eager beavers save £1m with dam build
Eco engineers: Until now, beavers in England had to stay behind fences, despite some wild escapees. Now they will be allowed to roam free. Glossary
Czech - From the Czech Republic, also known as Czechia, a landlocked Central European country.
Dam - A barrier built to stop water flowing down a river, creating a lake.
Extinct - A species that no longer has any living members.
Rewilding - Returning developed or farmed land to its natural state by reintroducing species that once lived there.
Ecstatic - Feeling an extreme, overwhelming joy. It descends from a Greek word meaning astonishment and insanity.
Perilous - Dangerous.