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This is a blue irregular three-dimensional polygon PPT background picture;
Keywords: blue slide background picture, solid polygon PowerPoint background picture
The cover of the slide template uses delicate animal patterns as the...
The slide template cover used dragon boat, zongzi, bamboo leaves, an...
The slide template uses blue as the background color. The PPT cover ...
The cover of the slide template, six cute children, are celebrating ...
The slide template is used, with elegant mountains, green leaves, an...
The slide template uses a light green bamboo forest image as a base ...