Where Yangtze sediment meets the sea, accumulating into tidal flats — the core refueling station on the East Asian-Australasian Flyway for millions of migratory birds.

Yangtze Estuary Wetlands Shanghai

vast coastal wetlands and mudflats at the Yangtze River estuary, thick beds of green reeds (芦苇), migratory wading birds (like cranes or herons) nesting, and calm river channels