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