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