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  • Y2 100km from the river source.

    Mother River project. 

  • Y40 3,900km from the river source.

    Mother River project. 

  • Applying red pigment, 2011.

    Yuan project. 

  • 9-Puhejing Quarry Ecology Recovery Project, 2017.

    Forest project. 

  • 19-Egongyan Park, 2017.

    Forest project.