¨¨¨¨¨¨¨~-;                                          ;-~¨¨¨¨¨¨¨
¨¨¨¨¨¨~-;%                                          %;-~¨¨¨¨¨¨
¨¨¨¨¨~-;%£                                          £%;-~¨¨¨¨¨
¨¨¨¨~-;%£@                                          @£%;-~¨¨¨¨
¨¨¨~-;%£@¶                                          ¶@£%;-~¨¨¨
¨¨~-;%£@¶@                  rails                   @¶@£%;-~¨¨
¨~-;%£@¶@#                                          #@¶@£%;-~¨
¨¨~-;%£@¶@                                          @¶@£%;-~¨¨
¨¨¨~-;%£@¶ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ¶@£%;-~¨¨¨
¨¨¨¨~-;%£@                                          @£%;-~¨¨¨¨
¨¨¨¨¨~-;%£ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ £%;-~¨¨¨¨¨
¨¨¨¨¨¨~-;%                                          %;-~¨¨¨¨¨¨
¨¨¨¨¨¨¨~-;                                          ;-~¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨~- 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!        @£%;-~¨¨¨¨
¨¨¨¨¨~-;%£                                          £%;-~¨¨¨¨¨
¨¨¨¨¨¨~-;%                                          %;-~¨¨¨¨¨¨
¨¨¨¨¨¨¨~-;                                          ;-~¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨~-                                          -~¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨~-;                                          ;-~¨¨¨¨¨¨¨
¨¨¨¨¨¨~-;%                                          %;-~¨¨¨¨¨¨