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A white-collar figure is building a square wooden block into a pyramid shape.
Keywords: Building blocks PowerPoint background pictures, wooden block slide background pictures, still life PPT background pictures
The slide template uses the New Year festive red as the theme color....
The slide template uses the festive red as the main color system, wh...
The slide template uses a full moon in the blue beautiful night sky ...
Every year on September 10th Teacher's Day, we will think of our...
The slide template was created using fresh watercolor illustration s...
The cover of the slide template uses pictures of cute cartoon animal...