.~«^§%@¶##                                          ##¶@%§^«~.
.~«^§%@¶##                                          ##¶@%§^«~.
.~^§%@¶###                                          ###¶@%§^~.
.~«^§%@¶##                                          ##¶@%§^«~.
..~«««^§@¶                                          ¶@§^«««~..
.~«^§%@¶##                  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!         @§§§§^~~..
.~«^§%@¶##                                          ##¶@%§^«~.
.~«^§%@¶##                                          ##¶@%§^«~.
.~«^§%@¶##                                          ##¶@%§^«~.
.~«^§%@¶##                                          ##¶@%§^«~.
.~«^§%@¶##                                          ##¶@%§^«~.
.~«^§%@@¶¶                                          ¶¶@@%§^«~.