Sierck les Bains castle on the Moselle at the border of France and Germany
Saarburg castle Germany, overlooking a strategic bend in the Saar river
The German gateway into Metz
The Romans were used the rivers here to maintain their regional Empire. Trier on the banks of the Saar is claimed to be the oldest German town.
Porta Nigra, 'the black gate' the surviving Roman gateway into Trier
The French, determined not to be invaded again after WW1 built the Maginot line of fortifications, along their eastern border. Sadly it failed,
The Maginot line fort at Hackenbourg is open view
Just one of hundreds of the Maginot line mortar turrets,
Now you see it,
Now you don't !
Inside the Fort,
In action troops would have spent weeks below ground, linked by tunnels and a railway.
I am left bewildered by these massive structures, built for the business of war.