restoration

US /ˌres.təˈreɪ.ʃən/
UK /ˌres.təˈreɪ.ʃən/
"restoration" picture
1.

the action of returning something to a former owner, place, or condition

:
The restoration of the old painting took months.
The restoration of peace in the region is a priority.
2.

the process of repairing or renovating a building, work of art, or other item to its original condition

:
The museum announced the successful restoration of the ancient tapestry.
The building underwent extensive restoration after the fire.