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This is a black and white match, gray-based, building class PowerPoint templates.
PPT template background image for the gray city under the sky.
This PPT template to tell us is that human development of the Earth's resources, and the large-scale expansion of the city, making the natural ecology was destroyed. Blue sky, all kinds of animals gradually disappear. Our life will lose color.
This PowerPoint template is suitable for production, green PPT, greenhouse effect slides, low carbon green PPT and so on.
This is a black and white match, gray-based, building class PowerPoint templates.
PPT template background image for the gray city under the sky.
This PPT template to tell us is that human development of the Earth's resources, and the large-scale expansion of the city, making the natural ecology was destroyed. Blue sky, all kinds of animals gradually disappear. Our life will lose color.
This PowerPoint template is suitable for production, green PPT, greenhouse effect slides, low carbon green PPT and so on.
