.^»†£#####                                          #####£†»^.
.^»†§£####                                          ####£§†»^.
.^»†§§§££#                                          #££§§§†»^.
.^»†§£####                                          ####£§†»^.
.^»†§£####                                          ####£§†»^.
.....»†§##                  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!         #£†^^.....
.^»†§£####                                          ####£§†»^.
.^»†§£####                                          ####£§†»^.
......»§##                                          ##§»......
.^»†§£####                                          ####£§†»^.
.^»†§£####                                          ####£§†»^.
.....»†££#                                          #££†».....