In consequence I found myself not back in Cologne, as I had hoped I might, but in the little town of Königswinter, in the shadow of the Siebengebirge Mountains. This turned out to be reasonably ...

“But the next missions will bring us to the moon.” The facility’s lunar soil is made of volcanic rock mined in the Siebengebirge mountain range, not far from where the facility is ...

That makes the learning process even easier! „Our cultural and leisure programme will introduce you to the city of Bonn and its surroundings: From palaces and castle ruins in the nearby Siebengebirge, ...