##¨#¨#¨#¨¨                                          ¨¨#¨###¨¨¨
¨#######¨#                                          ¨###¨¨#¨¨#
#¨¨¨¨¨¨###                                          #¨¨#¨##¨##
#¨¨¨¨¨#¨¨#                                          #¨###¨##¨¨
#¨¨¨¨##¨#¨                                          ##¨¨##¨#¨#
#¨¨¨#¨###¨                  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!        ###¨#¨¨##¨
########¨¨                                          ¨¨###¨#¨##
¨¨¨¨¨¨¨#¨¨                                          ¨#¨¨####¨¨
¨¨¨¨¨¨##¨¨                                          ##¨#¨¨¨#¨¨
¨¨¨¨¨#¨#¨#                                          ¨###¨¨##¨¨
¨¨¨¨#####¨                                          #¨¨#¨#¨#¨¨
¨¨¨#¨¨¨¨#¨                                          #¨######¨¨