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¶###£%/«,.                   rails                  .,«/%£###¶
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¶£///,.... ######################################## ....,///£¶
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¶¶#£%%/«,. ######################################## .,«/%%£#¶¶
##£%«.....                                          .....«%£##
#£%/«,....                                          ....,«/%£#
##¶#£%/«,. 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!         .,«/%£#¶¶¶
##¶#£%/«,.                                          .,«/%£#¶##
####£%/«,.                                          .,«/%£####
#%/««,,,..                                          ..,,,««/%#
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