¨¨¨,«//%%@                                          @%%//«,¨¨¨
¨¨¨¨¨,«*#@                                          @#*«,¨¨¨¨¨
¨,«/*%#@##                                          ##@#%*/«,¨
¨¨¨¨,««*##                                          ##*««,¨¨¨¨
¨¨¨¨¨¨,/%@                                          @%/,¨¨¨¨¨¨
¨,«/*%#@@@                  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!         @#**/«,¨¨¨
¨,«/*%#@@#                                          #@@#%*/«,¨
¨¨¨¨¨¨,/%@                                          @%/,¨¨¨¨¨¨
¨,«//*%%%@                                          @%%%*//«,¨
¨¨¨¨¨¨,/*#                                          #*/,¨¨¨¨¨¨
¨,«/*%#@##                                          ##@#%*/«,¨
¨,«/*%#@@#                                          #@@#%*/«,¨