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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 ..~^$$£¶##
¶$^~...... is signaled  by  red  or  green  lights. ......~^$¶
££$$~.....                                          .....~$$££
#¶£$^~....                 ££££££££                 ....~^$£¶#
##¶£$$^~..                                          ..~^$$£¶##
##¶£$$^~.. 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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