The Zhenjiang Library is a stunning architectural gem with three-story glass curtain walls that transform from daylight book kaleidoscopes to glowing knowledge cubes at night. Housing 900,000 volumes including a rare facsimile of the Complete Library of the Four Treasuries, its highlight is the live ancient book restoration demo where masters mend torn pages with silk. Head to the top-floor reading zone for panoramic Yangtze River views - sunset is magical here with a copy of Romance of Three Kingdoms, since Zhenjiang's Beigu Mountain inspired its legendary 'Ganlu Temple Betrothal' episode!