Zhè / zuò / láo / gǎi / yíng / hòu / lái / bèi / gǎi / jiàn / chéng / le / lì / shǐ / bó / wù / guǎn。

这座劳改营后来被改建成了历史博物馆。

This correctional labor camp was later converted into a history museum.