.,~^†%#¶@#                                          #@¶#%†^~,.
..,~^†%#¶@                                          @¶#%†^~,..
...,~^†%#¶                                          ¶#%†^~,...
....,~^†%#                                          #%†^~,....
.....,~^†%                                          %†^~,.....
....,~^†%#                  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!         #%†^~,....
.....,~^†%                                          %†^~,.....
....,~^†%#                                          #%†^~,....
...,~^†%#¶                                          ¶#%†^~,...
..,~^†%#¶@                                          @¶#%†^~,..
.,~^†%#¶@#                                          #@¶#%†^~,.
..,~^†%#¶@                                          @¶#%†^~,..