.^~/$%#@##                                          ##@#%$/~^.
.^~/$%#@##                                          ##@#%$/~^.
.^~/$%@###                                          ###@%$/~^.
...~~~/$%#                                          #%$/~~~...
.^~/$%####                                          ####%$/~^.
...^^/%%@#                   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 @%/^......
.^~/$%#@@@ Is  Frowned  Upon,   And  Very  Impolite @@@#%$/~^.
.^~/$%#@##         Toward The Train Drivers!        ##@#%$/~^.
.^~//$$%@@                                          @@%$$//~^.
.^~/$%#@##                                          ##@#%$/~^.
.^~/$%#@##                                          ##@#%$/~^.
....^~/%%#                                          #%%/~^....
....^//$$#                                          #$$//^....
.^~/$%#@##                                          ##@#%$/~^.