¨,~=†%¤¶##                                          ##¶¤%†=~,¨
¨,~=†%¤¶##                                          ##¶¤%†=~,¨
¨¨¨¨,=††¤#                                          #¤††=,¨¨¨¨
¨,~=†%¤¶##                                          ##¶¤%†=~,¨
¨¨¨~===%¤¶                                          ¶¤%===~¨¨¨
¨¨¨¨¨,,=%¶                  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!         ¶¶¤¤%†=~,¨
¨¨¨¨,==†¤#                                          #¤†==,¨¨¨¨
¨¨¨¨¨~=%¶¶                                          ¶¶%=~¨¨¨¨¨
¨¨¨,,,~†%¤                                          ¤%†~,,,¨¨¨
¨,~=†%¤¶##                                          ##¶¤%†=~,¨
¨,~=†%¤¶¶¶                                          ¶¶¶¤%†=~,¨
¨¨¨¨¨,,=%¶                                          ¶%=,,¨¨¨¨¨