Berlin Cathedral, Germany. Originally Roman Catholic, from 1539 on Lutheran, Calvinist since 1613, from 1817 on Evangelical Protestant. Architects: Martin Böhme (1717), Johann Boumann the Elder (1747–1750), Karl Friedrich Schinkel (1817 and 1820–1822), Julius and Otto Raschdorff, father and son (1894–1905),
Norman Foster, "Reichstag Dome", 1993, a glass dome constructed on top of the rebuilt Reichstag building, symbolizing the reunification of Germany. A mirrored cone in the center of the dome directs sunlight into the building, and so that visitors can see the working of the chamber, Berlin, Germany.