F0DAAD7B-8DBF-438B-A32D-7D68BD114878 Published September 22, 2019 at 1156 × 1681 in September 21, 2019: Exploring Mainz & Boarding The River Splendor ← Previous / Next → Modernistic fountain in Mainz. Marc Chagall designed stained glass windows in St. Stephan’s Church. These panels depict events in the life of Christ.