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