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