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