Modernization Stadthalle With Outdoor Facilities / Part B Outdoor Facilities Here: 3Rd Construction Phase-Festplatz, H.-H.-Platz Nord, Rw Channel Heinrich-Heine-Platz Let'S Go 1 - Catering Approval, Lot 2 - Canal Construction, Lot 3 - Deep And Road Construction, Lot 4 - Technical Equipment - Electrical Work (Lighting)