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