@@@,,@@@,,                                          ,@@@,,,,@,
,@@,@,@@,@                                          ,,@@,,,@@,
@,@,@,,@,@                                          ,@,@,,@,@,
@,@,@,@@,@                                          ,@,@,@@,@,
@,@,@,,@,@                                          ,@,@,,@,@,
@,@,@,@@,@                   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!        ,@,@,@@,@,
@,@,@,,@,@                                          ,@,@,,@,@,
@,@,@,@@,@                                          ,@,@,@@,@,
@,@,@,,@,@                                          ,@,@,,@,@,
@,@,@,@@,@                                          ,@,@,@@,@,
@,@,@,,@,@                                          ,@,@,,@,@,
@,@,@,@@,@                                          ,@,@,@@,@,