#£=†~^....                                          ....^~†=£#
£=†~^.....                                          .....^~†=£
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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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£=†~^.....                                          .....^~†=£
#£=†~^....                                          ....^~†=£#
##£=†~^...                                          ...^~†=£##
###£=†~^..                                          ..^~†=£###
####£=†~^.                                          .^~†=£####