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###£$†:~..                   rails                  ..~:†$£###
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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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#£††††:~..                                          ..~:††††£#