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