Yesterday I went up in the air in Germany for the Disputed Waters project.
This is the old river Rhine meandering along the canalized new Rhine.
This canalized Rhine is good for transportation, but can cause heavier floodings downstream.

The picture was made from an ultra light airplane, which was a bit hard to work from, because I had to photograph through a tiny hole in the window. But it was a lot cheaper than renting a helicopter …

(© picture of the plane: Flight Team)