Gradient project design ppt template
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Gradient project design ppt template
The white clouds in the sky are woven into a heart-shaped pattern, w...
The author of the background picture used light green as the design ...
This is a designer of abstract background PowerPoint background pict...
This is a simple and beautiful, blue curve art PowerPoint background...
The theme of the PPT background picture is mainly black and red. App...
This is a Korean style, refreshing natural scenery PowerPoint backgr...