shān / pō / shàng / de / pào / lóu / yǐ / jīng / fèi / qì / duō / nián / zhǐ / shèng / xià / bān / bó / de / qiáng / bì

山坡上的炮楼已经废弃多年，只剩下斑驳的墙壁。

The pillbox on the hillside had been abandoned for years, leaving only weathered walls.