.-=†=£§###                                          ###§£=†=-.
..-=†=£§##                                          ##§£=†=-..
...-=†=£§#                                          #§£=†=-...
..-=†=£§##                                          ##§£=†=-..
.-=†=£§###                                          ###§£=†=-.
..-=†=£§##                   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!        ##§£=†=-..
.-=†=£§###                                          ###§£=†=-.
..-=†=£§##                                          ##§£=†=-..
...-=†=£§#                                          #§£=†=-...
..-=†=£§##                                          ##§£=†=-..
.-=†=£§###                                          ###§£=†=-.
..-=†=£§##                                          ##§£=†=-..