Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
기관사실에서 기차를 운전하는 모습이 보였다.gigwansasileseo gichareul unjeonhaneun moseubi boyeotda.The scene of driving the train was visible from the engine driver's cab.