,@,,@@@,,,                                          ,,@@@@@@@,
@@,@,,@,,@                                          ,@,,,,,,@,
,@@@,@@,@,                                          @@,,,,,@@@
@,,@@,@@@,                                          ,@,,,,@,,@
@,@,@@,,@,                                          @@,,,@@,@,
@@@@,@,@@,                  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!         @,,,@@@@,@
,@@@,@,@,,                                          @,,@,,,@@,
@,,@@@@@,@                                          @,@@,,@,@,
@,@,,,,@@@                                          @@,@,@@@@@
@@@,,,@,,,                                          ,@@@@,,,,,
,,@,,@@,,@                                          @,,,@,,,,@
,@@,@,@,@@                                          @,,@@,,,@@