,,,,,,,,«;                                          ;«,,,,,,,,
,,,,,,,«;%                                          %;«,,,,,,,
,,,,,,«;%@                                          @%;«,,,,,,
,,,,,«;%@#                                          #@%;«,,,,,
,,,,«;%@#@                                          @#@%;«,,,,
,,,«;%@#@#                   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!        #@%;«,,,,,
,,,,«;%@#@                                          @#@%;«,,,,
,,,«;%@#@#                                          #@#@%;«,,,
,,«;%@#@##                                          ##@#@%;«,,
,«;%@#@###                                          ###@#@%;«,
,,«;%@#@##                                          ##@#@%;«,,
,,,«;%@#@#                                          #@#@%;«,,,