##@@@=^«,.                                          .,«^=@@@##
#@@@=^«,..                                          ..,«^=@@@#
##@@@=^«,.                                          .,«^=@@@##
#@@@=^«,..                                          ..,«^=@@@#
##@@@=^«,.                                          .,«^=@@@##
#@@@=^«,..                   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!         ..,«^=@@@#
##@@@=^«,.                                          .,«^=@@@##
#@@@=^«,..                                          ..,«^=@@@#
##@@@=^«,.                                          .,«^=@@@##
#@@@=^«,..                                          ..,«^=@@@#
##@@@=^«,.                                          .,«^=@@@##
#@@@=^«,..                                          ..,«^=@@@#