Simple PPT background picture of the blue underwater world

In the depths of the ocean, it is quiet and peaceful, and only repeated soft light shines through the sea level to the bottom. This slide background picture is suitable for making a PPT with the ocean. Such as: introduction slides of marine life, understanding the sea slides, etc.

Keywords: blue background picture, seabed background picture, ocean background picture, natural landscape PPT background picture, concise slide background picture