PPT background picture of beautiful trees in the vast sky

The PPT background image is based on the aesthetic style. The first slide background image is a row of trees under the yellow and blue sky, and the front is a green growing field; the second slide background image is blue sky and white clouds illuminated by sunlight Pale and bright, there are several tall and short trees nearby, standing slantingly, against the sky, its back is more magnificent...

Keywords: sky PPT background picture, tree PPT background picture, natural PPT background picture