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