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...~:†%#£#                   rails                  #£#%†:~...
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...~:†%#£#                                          #£#%†:~...
..~:†%#£## ######################################## ##£#%†:~..
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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. #£#%†:~...
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...~:†%#£#                 ########                 #£#%†:~...
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...~:†%#£# 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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