¨.«:%*¤@##                                          ##@¤*%:«.¨
¨¨.«:%*¤@#                                          #@¤*%:«.¨¨
¨¨¨.«:%*¤@                                          @¤*%:«.¨¨¨
¨¨¨¨.«:%*¤                                          ¤*%:«.¨¨¨¨
¨¨¨¨¨.«:%*                                          *%:«.¨¨¨¨¨
¨¨¨¨¨¨.«:%                  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!         ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨.                                          .¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨.«                                          «.¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨.«:                                          :«.¨¨¨¨¨¨¨
¨¨¨¨¨¨.«:%                                          %:«.¨¨¨¨¨¨
¨¨¨¨¨.«:%*                                          *%:«.¨¨¨¨¨
¨¨¨¨.«:%*¤                                          ¤*%:«.¨¨¨¨