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