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