败井颓垣 bàijǐngtuíyuán
[destroyed (wrecked) wells and walls] 破烂的井和墙,形容城市或农村破败凄凉的景象
鲁迅 《题三义塔》诗:“奔霆飞熛歼人子,败井頽垣剩饿鳩。”