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@#£££††«^.                                          .^«††£££#@
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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!        .^«††££#@#
#@#££††«^.                                          .^«††££#@#
@££££††«^.                                          .^«††££££@
@£†††«^...                                          ...^«†††£@
#@#££††«^.                                          .^«††££#@#
@##££††«^.                                          .^«††££##@
@#£££††«^.                                          .^«††£££#@