Want to "become Chinese" this season? Then you've probably heard of "Chunyun" – the massive Spring Festival travel rush that draws travelers from around the world.

But here's the twist: Humans aren't the only ones on the move!

Each year in Wuhan, thousands of migratory birds cross mountains and borders, returning to the city's lakes and wetlands – their winter home. As they settle in, a dedicated team of humans quietly protects the place they come back to.

Who are these winter guardians? What does it take to care for the birds' homecoming?

Watch to find out!

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