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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. £&††~,¨¨¨¨
¨,~††$$£££ there  will  be  plains, and  bodies  of £££$$††~,¨
¨,~†$&&£@@                  water.                  @@£&&$†~,¨
¨¨¨¨~$$££@                                          @££$$~¨¨¨¨
¨¨¨~~$&££# trains  go  by day and  by  night. along #££&$~~¨¨¨
¨,~†$&£@##      the way, there is information       ##@£&$†~,¨
¨¨¨,†$$££# scattered, often  put on  top of  poles, #££$$†,¨¨¨
¨,~†$&££@# to be interpreted by  the train drivers. #@££&$†~,¨
¨,~~~$$&£# different  parts  of  the  railway  have #£&$$~~~,¨
¨¨¨¨~†$&£#         different speed limits.          #£&$†~¨¨¨¨
¨¨¨¨¨¨~†&£                                          £&†~¨¨¨¨¨¨
¨,~†$&£@## sometimes, trains have  to stop and wait ##@£&$†~,¨
¨¨¨¨~$$$&£ for something to happen,  far away. this £&$$$~¨¨¨¨
¨,~†$&£@## is  signaled  by red  or  green  lights. ##@£&$†~,¨
¨,~†$$$£@#                                          #@£$$$†~,¨
¨¨¨¨¨,†&@#                 ££££££££                 #@&†,¨¨¨¨¨
¨,~†$&£@##                                          ##@£&$†~,¨
¨,~†$&£@## many people  follow the  rails by  foot. ##@£&$†~,¨
¨,~†$&£@## often  this  proves  to be  the  shorter ##@£&$†~,¨
¨¨¨,,~$$£@ path between  two  points. however  this @£$$~,,¨¨¨
¨,~†$&£@## is  frowned  upon,  and  very   impolite ##@£&$†~,¨
¨¨¨¨¨~$£@#        toward the train drivers!         #@£$~¨¨¨¨¨
¨¨¨,~††&&£                                          £&&††~,¨¨¨
¨¨¨¨¨¨,~$£                                          £$~,¨¨¨¨¨¨
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