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This is a cyan background, art design PPT background picture, the author used only a few curves to outline this slide background. The background image of this slide show is 4:3 resolution
This set of promotion and promotion PPT template describes a new rel...
This colorful animated ppt uses a steam wave style. The steam wave s...
This set of classical Chinese style PPT templates uses elements of a...
Today is the Earth Hour Day, promoting low-carbon environmental prot...
This set of Chinese style Ai Lian said that the PPT template uses in...
This set of 520 romantic wedding photo album PPT template uses a sma...