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