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