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