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