¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
:¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨:
«:¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨:«
/«:¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨:«/
*/«:¨¨¨¨¨¨                  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!        ¨¨¨¨:«/**#
@#**/«:¨¨¨                                          ¨¨¨:«/**#@
#@#**/«:¨¨                                          ¨¨:«/**#@#
##@#**/«:¨                                          ¨:«/**#@##
#@#**/«:¨¨                                          ¨¨:«/**#@#
@#**/«:¨¨¨                                          ¨¨¨:«/**#@
#**/«:¨¨¨¨                                          ¨¨¨¨:«/**#