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