Half-in and half-out of the water. I'm sure you know such photos. A girl in a bikini that dives a few feet underwater like an innocent and beautiful mermaid. And above the water level sunshine and palm trees. Photos of this type have been spreading rapidly on social networks in recent years. And they have success. Similar to drone photos. It offers a new way of story telling, a new point of view. But ... How are these cool shots taken?