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Berlin Wall - "When we put up our own walls, we can readily unassemble them. But when they've been constructed by others, the fight to tear them down can be seemingly impossible ... unless ...
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),