Kutshanje ndiye ndathenga incwadi ebhukisiweyo enesihloko Ngubani iGama? Imvelaphi yamagama eSitishi kwiLondon Underground. [1] Ijongene nembali yawo onke amagama angama-270 ezitishi zaseLondon eziphantsi komhlaba (ityhubhu yenethiwekhi). Ukucofa amaphepha, kwacaca ukuba amagama ane ...