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