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