¨¨¨@¨@¨@¨@                                          @@¨@@¨¨@¨¨
¨¨¨¨¨¨¨¨¨¨                                          @@¨@@@¨¨@¨
¨¨¨¨¨¨¨¨¨¨                                          @@¨@¨@@¨¨@
@¨¨¨¨¨¨¨¨¨                                          @@¨¨¨@@@¨¨
¨@¨¨¨¨¨¨¨¨                                          @@@¨¨@¨@@¨
¨¨@¨¨¨¨¨¨¨                  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!        ¨¨¨¨¨¨¨¨@¨
¨¨@¨@@¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨@
@¨¨¨@@@¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨@¨¨@¨@@¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨@¨¨¨@@@¨                                          @¨¨¨¨¨¨¨¨¨
¨¨¨@¨¨@¨@@                                          ¨@¨¨¨¨¨¨¨¨
¨¨¨¨@¨¨¨@@                                          ¨¨@¨¨¨¨¨¨¨