....~^%£§¶                                          ¶§£%^~....
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....~%%££¶                                          ¶££%%~....
....^~%%§¶                                          ¶§%%~^....
....^~%§¶#                  rails                   #¶§%~^....
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...^^~%%§# §§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§ #§%%~^^...
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.....~^%%§ §§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§ §%%^~.....
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.....~^£§§                                          §§£^~.....
.^~^%£§¶## 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. #§£%%^~^..
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.^~^%£§¶##                 §§§§§§§§                 ##¶§£%^~^.
.^~^%§¶###                                          ###¶§%^~^.
....^~~%§¶ 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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....^^^~%§                                          §%~^^^....
.....^^%§§                                          §§%^^.....
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