6+ Blue technology wind slideshow pictures

This is a set of blue abstract technology style slideshow background pictures, a total of 6 pages, including cover page, catalog page, chapter page and content page, very beautiful and practical. PPT background element…

Golden Leaves PowerPoint Background Pictures

This is a slide background picture with golden leaves as background elements. The autumn color presented represents harvest, success and prosperity. The page design is very beautiful. Search keywords: leaf, autumn, autumn leaf, leaf picture, leaf bac…