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