knowledge
Clementinum
Jesuit college (1556) and astronomical observatory—Counter-Reformation intellectual infrastructure that eventually dismantled Utraquist worship; now the National Library of the Czech Republic. Anchor modes: custodian | material_layer | signal | Search hooks: Clementinum; Klementinum; Jesuit college; National Library; mirror chapel; astronomical tower; Baroque library; Counter-Reformation
Tour the Baroque library hall with its ceiling frescoes, the mirror chapel, and the astronomical tower; the National Library still operates here, maintaining the Jesuit intellectual tradition.