.,»/*%@###                                          ###@%*/»,.
..,»/*%@##                                          ##@%*/»,..
...,»/*%@#                                          #@%*/»,...
....,»/*%@                                          @%*/»,....
...,»/*%@#                                          #@%*/»,...
..,»/*%@##                   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!         @%*/»,....
...,»/*%@#                                          #@%*/»,...
..,»/*%@##                                          ##@%*/»,..
.,»/*%@###                                          ###@%*/»,.
..,»/*%@##                                          ##@%*/»,..
...,»/*%@#                                          #@%*/»,...
....,»/*%@                                          @%*/»,....