Now, it's time for the annual migration of red crabs on Australia's Christmas Island. Tens of millions of red crabs flocked out to the beach to lay eggs, "Crab Mountain Crab Sea", the scene is spectacular. In order to protect the red crabs, the local authorities will block the road. There is even a "crab bridge" built on the island to ensure the safety of red crabs.
![Australia's Red Crab Bridge, one of the most famous wildlife safety passages, is a dedicated lane for tens of millions of red crabs[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)