Strange black UFO caught over the beach of Kalamitsi

On June 25, 2017, a strange black object has been caught near the beach of Kalamitsi, in the region of Halkidiki, Greece.

Witness statement:

Our family summer vacations in Greece.
We where canoeing in the sea, and having our pictures taken from my wife.
One of our pictures had a UFO on the top.
The two pictures which where taken just before, and just after the one with the UFO, where normal.