作者: University of Michigan School of Natural Resources & Environment
许可证: CC BY 2.0
分辨率: 2338x1576
来源: open_image
作者: University of Michigan School of Natural Resources & Environment
许可证: CC BY 2.0
分辨率: 2338x1576
来源: open_image
作者: University of Michigan School of Natural Resources & Environment
许可证: CC BY 2.0
分辨率: 2338x1576
来源: open_image
作者: University of Michigan School of Natural Resources & Environment
许可证: CC BY 2.0
分辨率: 2338x1576
来源: open_image