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