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logo 11/25/2024 7:45:09 PM     
Utrechts fish doorbell is back for another season 
DK Source: BBC News 3/2/2024
Utrechts fish doorbell is back for another season
Credit: Getty Images
The underwater camera was first set up four years ago to help the different fish species that swim in the canals of the Dutch city of Utrecht. and it streams video to a special website
 

Internet users who spot any fish waiting at the lock gate can ring a 'digital doorbell' to help the marine life carry on their journey,

But why do fish need the doorbell? Keep reading to find out!

 
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