Never seen fog being thick like this before, even better: standing in the middle of a bridge (Falkensteiner viadukt). I even couldn't see the ground under me.

Taken into service in 1971: the Pfaffenberg-Zwenberg viaduct (Pfaffen-hill and Zwen-hill are the names of two mountains it connects) was the biggest concrete bridge of it's time. 377m long, over a... (more)