$^/~,¨¨¨¨¨                                          ¨¨¨¨¨,~/^$
^/~,¨¨¨¨¨¨                                          ¨¨¨¨¨¨,~/^
/~,¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨,~/
~,¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨,~
,¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨,
¨¨¨¨¨¨¨¨¨¨                  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!        ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
,¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨,
~,¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨,~
/~,¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨,~/
^/~,¨¨¨¨¨¨                                          ¨¨¨¨¨¨,~/^