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