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