ﻣﺘﺮو Underground railway

ﻣﺴﯿﺮ ﺯﯾﺮﺯﻣﯿﻨﯽ ﺑﺮﺍی ﻋﺒﻮﺭ وﺳﺎﯾﻞ ﻧﻘﻠﯿﻪ ﺭﯾﻠﯽ.