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