,,,,,=†*$#                                          #$*†=,,,,,
,,,,,,=†*$                                          $*†=,,,,,,
,,,,,,,=†*                                          *†=,,,,,,,
,,,,,,,,=†                                          †=,,,,,,,,
,,,,,,,,,=                                          =,,,,,,,,,
,,,,,,,,,,                   rails                  ,,,,,,,,,,
,,,,,,,,,,                                          ,,,,,,,,,,
,,,,,,,,,,                                          ,,,,,,,,,,
,,,,,,,,,= ######################################## =,,,,,,,,,
,,,,,,,,=†                                          †=,,,,,,,,
,,,,,,,=†* ######################################## *†=,,,,,,,
,,,,,,=†*$                                          $*†=,,,,,,
,,,,,=†*$#                                          #$*†=,,,,,
,,,,=†*$#@ 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!        ##@#$*†=,,
,,,=†*$#@#                                          #@#$*†=,,,
,,,,=†*$#@                                          @#$*†=,,,,
,,,,,=†*$#                                          #$*†=,,,,,
,,,,,,=†*$                                          $*†=,,,,,,
,,,,,,,=†*                                          *†=,,,,,,,
,,,,,,,,=†                                          †=,,,,,,,,