..~-;†%#@#                                          #@#%†;-~..
.~-;†%#@##                                          ##@#%†;-~.
..~-;†%#@#                                          #@#%†;-~..
...~-;†%#@                                          @#%†;-~...
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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!        ;-~.......
......~-;†                                          †;-~......
.....~-;†%                                          %†;-~.....
....~-;†%#                                          #%†;-~....
...~-;†%#@                                          @#%†;-~...
..~-;†%#@#                                          #@#%†;-~..
.~-;†%#@##                                          ##@#%†;-~.