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