&,&&&,&,&,                                          &&&&&,,,,,
&&,,&&&&&&                                          ,,,,&,,,,&
,&,&,,,,,&                                          ,,,&&,,,&,
&&&&,,,,&&                                          ,,&,&,,&&,
,,,&,,,&,&                                          ,&&&&,&,&&
,,&&,,&&&&                  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!        &&&,&,&&&&
,&&,&&&,&,                                          ,,&&&&,,,&
&,&&,,&&&&                                          ,&,,,&,,&&
&&,&,&,,,&                                          &&,,&&,&,,
,&&&&&,,&,                                          ,&,&,&&&,&
&,,,,&,&&&                                          &&&&&,,&&&
&,,,&&&,,&                                          ,,,,&,&,,,