,,,#,,####                                          ,###,##,,,
,,##,#,,,#                                          #,,##,#,,,
,#,###,,##                                          #,#,###,,,
###,,#,#,#                                          ####,,#,,,
,,#,######                                          ,,,#,##,,#
,###,,,,,#                  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!         ##,#,##,,,
,,,###,,##                                          ,####,#,,,
,,#,,#,#,#                                          #,,,###,,,
,##,#####,                                          #,,#,,#,,,
#,##,,,,#,                                          #,##,##,,,
##,#,,,##,                                          ##,##,#,,#
,###,,#,#,                                          ,##,###,#,