..#..##.#.                                          #..####.##
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..#.#.#.#.                                          #.#..##.##
.##.#.#.#.                                          #.#.#.#..#
..#.#.#.#.                                          #.#.#.#.##
.##.#.#.#.                   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!        #.#.#.#..#
..#.#.#.#.                                          #.#.#.#.##
.##.#.#.#.                                          #.#.#.#..#
..#.#.#.#.                                          #.#.#.#.##
.##.#.#.#.                                          #.#.#.#..#
..#.#.#.#.                                          #.#.#.#.##
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