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