reconstruction [reconstructions](act of restoring) noun [UK: ˌriːk.ən.ˈstrʌk.ʃn̩] [US: ˌrik.ən.ˈstrək.ʃn̩]
restoration [restorations](the process of bringing an object back to its original state) noun [UK: ˌre.stə.ˈreɪʃ.n̩] [US: ˌre.stə.ˈreɪʃ.n̩]The ruined castle is now under restoration. = El castillo en ruinas ahora está en restauración.