@,@@,,@@,,                                          ,@@,@,@,@,
@,,@,@,@,,                                          ,,@,@,@,@,
@,@@,@,@,,                                          ,@@,@,@,@,
@,,@,@,@,,                                          ,,@,@,@,@,
@,@@,@,@,,                                          ,@@,@,@,@,
@,,@,@,@,,                  RAILS                   ,,@,@,@,@,
@,@@,@,@,,                                          ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@ TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY ,,@,@,@,@,
@,@@,@,@,@ HAVE  TO FOLLOW A SET PATH. THIS PATH IS ,@@,@,@,@,
@,,@,@,@,@ CALLED A "RAILWAY",  WHICH  IS COMPRISED ,,@,@,@,@,
@,@@,@,@,@ OF TWO METAL  RAILS, HENCE ITS NICKNAME. ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@ BECAUSE  THE  LOW FRICTION  BETWEEN  THE ,@@,@,@,@,
@,,@,@,@,@ WHEELS OF THE TRAIN AND THE RAIL  METAL, ,,@,@,@,@,
@,@@,@,@,@ THERE ARE  LIMITS FOR HOW ACUTE A  CURVE ,@@,@,@,@,
@,,@,@,@,@ CAN  BE,  AND EVEN MORE  SO FOR HOW MUCH ,,@,@,@,@,
@,@@,@,@,@ THE  GROUND   UNDER  THE  RAILS  CAN  BE ,@@,@,@,@,
@,,@,@,@,@ SLOPED. THUS A RAILWAY IS OFTEN  NOT LED ,,@,@,@,@,
@,@@,@,@,@ ON  TOP OF HILLS, RATHER THROUGH THEM IN ,@@,@,@,@,
@,,@,@,@,@ TUNNELS   (IF   THEY   ARE   LARGE),  OR ,,@,@,@,@,
@,@@,@,@,@            ARTIFICIAL CHASMS.            ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@ THERE WILL BE TREES ON THE  SIDE  OF THE ,@@,@,@,@,
@,,@,@,@,@ RAILS,  BUT  NOT TOO CLOSE, OR THEY WILL ,,@,@,@,@,
@,@@,@,@,@ BE  CUT  DOWN BY  THE  RAILWAY JANITORS. ,@@,@,@,@,
@,,@,@,@,@ THERE  WILL  BE  PLAINS,  AND BODIES  OF ,,@,@,@,@,
@,@@,@,@,@                  WATER.                  ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@ TRAINS  GO  BY DAY  AND  BY NIGHT. ALONG ,@@,@,@,@,
@,,@,@,@,@       THE WAY, THERE IS INFORMATION      ,,@,@,@,@,
@,@@,@,@,@ SCATTERED,  OFTEN  PUT  ON TOP OF POLES, ,@@,@,@,@,
@,,@,@,@,@ TO BE INTERPRETED  BY THE TRAIN DRIVERS. ,,@,@,@,@,
@,@@,@,@,@ DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE ,@@,@,@,@,
@,,@,@,@,@         DIFFERENT SPEED LIMITS.          ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@ SOMETIMES,  TRAINS HAVE TO STOP AND WAIT ,,@,@,@,@,
@,@@,@,@,@ FOR SOMETHING TO HAPPEN,  FAR AWAY. THIS ,@@,@,@,@,
@,,@,@,@,@ IS  SIGNALED  BY  RED  OR  GREEN LIGHTS. ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@                 @@@@@@@@                 ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@ MANY PEOPLE  FOLLOW  THE RAILS  BY FOOT. ,,@,@,@,@,
@,@@,@,@,@ OFTEN  THIS PROVES  TO  BE  THE  SHORTER ,@@,@,@,@,
@,,@,@,@,@ PATH  BETWEEN  TWO POINTS. HOWEVER  THIS ,,@,@,@,@,
@,@@,@,@,@ IS  FROWNED  UPON,  AND  VERY   IMPOLITE ,@@,@,@,@,
@,,@,@,@,@        TOWARD THE TRAIN DRIVERS!         ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,
@,@@,@,@,@                                          ,@@,@,@,@,
@,,@,@,@,@                                          ,,@,@,@,@,