.,=%%#£@##                                          ##@£#%%=,.
..,=%%#£@#                                          #@£#%%=,..
...,=%%#£@                                          @£#%%=,...
..,=%%#£@#                                          #@£#%%=,..
.,=%%#£@##                                          ##@£#%%=,.
..,=%%#£@#                  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!         #@£#%%=,..
.,=%%#£@##                                          ##@£#%%=,.
..,=%%#£@#                                          #@£#%%=,..
...,=%%#£@                                          @£#%%=,...
..,=%%#£@#                                          #@£#%%=,..
.,=%%#£@##                                          ##@£#%%=,.
..,=%%#£@#                                          #@£#%%=,..