Hundreds of interested people took advantage of the unique opportunity to visit a tunnel under construction in Freising. In the course of the day, a large number of families took the opportunity to experience the tunnel
Wayss & Freytag Ingenieurbau AG, Tunnelling Division, was awarded the contract for the construction of the „Mauerpark” stormwater sewer in Berlin in joint venture with the Berlin company Stehmeyer + Bischoff. Berline