Two beautiful natural style PPT background pictures

This is two beautiful natural style PPT background picture, the first one for the blue sky and white clouds under the windmill, the second for the blue sky and white clouds under the grass,. PPTX format;

This is two beautiful natural style PPT background picture, the first one for the blue sky and white clouds under the windmill, the second for the blue sky and white clouds under the grass,. PPTX format;