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These are four green polygon cartoon PPT background pictures;
Keywords: green low plane polygon slide background picture, cartoon hot air balloon, grove PowerPoint background picture
Brief introduction: blackboard background, chalk handwritten font, c...
Brief introduction: Beijing University emblem, geometric curved crea...
Introduction: Square, rectangular frame, folding rectangular element...
Description: Shining animated background, fists, banner elements, fl...
Description: Gray business big map background, translucent round cre...
Brief introduction: nostalgic art fan ink gray background, suitable ...