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¨¨¨¨=^^^$£                   rails                  £$^^^=¨¨¨¨
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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. ##£§$$^=^¨
¨^=^$§£###                                          ###£§$^=^¨
¨^=^$$§£##                 §§§§§§§§                 ##£§$$^=^¨
¨¨¨¨¨^^=$§                                          §$=^^¨¨¨¨¨
¨¨¨^^^$$§# 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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