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