OK. Now that you have seen the red sky, look down. See the field (more of a lake today...) at my doorstep? It ain't a field, no no no. It is an archaeological dig. A few centuries, this was a roman graveyard. And look what they found here last summer, among other things:
Photo from a newspaper, L'Alsace.
Now it is changing rapidly into a lake, due to the weather. Nothing more to be seen, they covered the site.