Accordingtotheprojectteam,therenovationismuchmoredifficultthantheextension.Therewereabout2000m2ofpaintedplafondthatneedstoberepaired,whichhadtakensixmonthsforadozenofartisanstousetraditionalcolorpaintingtechniqueswithpigmentssuchasoystershellpowderandoretorestorethemtotheiroriginalimages,justliketheyweredrawingThangka.

　　Therenovationandextensionhasmaintainedtheprincipleof“re⁃pairingtheoldasthewayitwas”andusedagreatnumberoftechniquesthatdemonstratewhatcraftsmanshipis,andcouldnotbereplacedbyma⁃chines.AsanessentialdisplayerofandwitnesstothedevelopmentofShanghaiin100 years, the newYangpuLibrarywillcontinuetore⁃gaintheflavorofthetimeitwasfirstbuilt.