ひび割れた擁壁を点検する住宅地と老朽インフラの安全問題
Keywords
revetment,
infrastructure,
residential area,
construction,
degradation,
people,
house,
footing,
concrete,
cracked,
maintenance,
repair,
municipality,
public works,
construction,
civil engineering,
social issue,
blank space,
animation,
illustration,
open air,
sky,
japan,
construction industry