Top leaders say the project has led to environmental problems and issues involving relocating 1.3m people.
The Three Gorges is the world's largest dam and could have cost up to $40bn. This appears to be the first time that central government leaders have admitted to problems with the project.
The admission came in a statement from top government body, the State Council.
The statement initially praised the scheme's achievements, saying it had helped alleviate flooding, improve navigation and generate electricity.
But it went on: "There are urgent problems that need to be addressed, such as stabilising and improving living conditions for relocated people, protecting the environment, and preventing geological disasters." (read more)


