1) And in 30 DOWN 2) And in Aachen 3) And, abroad 4) And, to Hans 5) And, to Kraftwerk 6) Berlin conjunction 7) Berlin connection 8) Berlin connector 9) Coblenz conjunction 10) Colditz conjunction 11) Cologne conjunction 12) Cologne link 13) Conjunction for Kraftwerk 14) Conjunction for Thomas Mann 
Watchpost carved into the side of a mountain.