The Netherlands introduces a 'Fish Doorbell' allowing people around the world to help fish pass through locks by alerting ...

By answering the Fish Doorbell, animal lovers around the world are helping fish travel through these gated waterways to ...

The central Dutch city of Utrecht has installed a “fish doorbell” that lets viewers of an online livestream help fish in ...

The central Dutch city of Utrecht has installed a " fish doorbell " on a river lock that lets viewers of an online livestream ...

The Dutch city of Utrecht has installed a “fish doorbell” that lets online viewers alert officials when fish are stuck at a ...

Millions of people around the world have been going online to help fish in the Netherlands swim upstream by using a fish doorbell. The scheme has been running for five years, but how does it work?

Netherlands Fish Doorbell Undated photo of a bream fish at a river lock in the central Dutch city of Utrecht, Netherlands, where a "fish doorbell" was installed that lets viewers of an online ...

UTRECHT, Netherlands (AP) — The central Dutch city of Utrecht has installed a “ fish doorbell ” on a river lock that lets viewers of an online livestream alert authorities to fish being held ...

Netherlands, where a "fish doorbell" was installed that lets viewers of an online livestream alert authorities to fish being held up as they make their springtime migration to shallow spawning ...