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