Three blue sky and white clouds lawn big tree PPT background pictures

The first PPT background picture is above the vast grassland, with white clouds blossoming, the open grassland is endless, and the branches are thick and lush; the second PPT background picture, blue sky and white clouds, the big tree stands alone on the green lawn of dandelion blooming, all green The leaves are particularly lush; the third PPT background picture uses yellow-green as the PPT background, and the bright yellow buds emerge from the branches;

Keywords: blue sky, white clouds, big trees, lawn PPT background pictures, natural scenery PPT background pictures