BenUnderwoodisblind.Botheyeswereremovedwhenhewasjustthr...
問題詳情：BenUnderwoodisblind.Botheyeswereremovedwhenhewasjustthreeyearsold,leavinghimwithnovisionatall.Sohowonearthdoesheridehisbicycle,playfootballandbasketball? Benusesmanycommonaidsforthe...