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