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