Tuna live in the sea, why do they have to swim non-stop all their lives? There is a bird in the world that has no feet, it has been flying all its life, it sleeps in the wind when it is tired, and it only lands once, that is, when it dies

Tuna live in the sea, why do they have to swim non-stop all their lives?

There is a bird in the world that has no feet, it has been flying all its life, it sleeps in the wind when it is tired, it only lands once, that is, when it dies, that is, the "footless bird". There is a fish in the sea, and it also has the fate of a footless bird. It can't stop swimming all its life, and to stop is death... It's tuna.

Why is that? Today, take you into the world of tuna and explore the mysteries of tuna!

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