2 sentences

1. 经过修缮，这座古建筑已经恢其旧观。

   jīng​guò xiū​shàn, zhè zuò gǔ​jiàn​zhù yǐ​jīng huī qí jiù​guān.

   After renovation, this ancient building has been restored to its former glory.

   Source: Dong Chinese Dictionary

2. 这座古建筑经过修缮后，重新对游客开放了。

   zhè zuò gǔ​jiàn​zhù jīng​guò xiū​shàn hòu, chóng​xīn duì yóu​kè kāi​fàng le.

   After being renovated, this ancient building has reopened to tourists.

   Source: Dong Chinese Dictionary