,.~†$$$$&&                                          &&$$$$†~.,
,.~†$%&#@#                                          #@#&%$†~.,
,.~†$%&#@#                                          #@#&%$†~.,
,.~†$%&#@#                                          #@#&%$†~.,
,,,..~†$&#                                          #&$†~..,,,
,,,,,~$$&@                  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 @&%$$~.,,,
,,..~††%## sloped. thus a railway  is often not led ##%††~..,,
,.~†$%&### on  top of hills, rather through them in ###&%$†~.,
,.~†$%&### tunnels   (if   they  are   large),   or ###&%$†~.,
,,,,,,~$%#            artificial chasms.            #%$~,,,,,,
,.~†$$%&&@                                          @&&%$$†~.,
,.~†$%&&#@ there will be trees on the  side  of the @#&&%$†~.,
,.~†$%&#@# rails, but not too  close, or they  will #@#&%$†~.,
,.~†$%&#@# be  cut  down  by the  railway janitors. #@#&%$†~.,
,.~†$%&#@# there  will  be plains,  and  bodies  of #@#&%$†~.,
,,,,,.~†%&                  water.                  &%†~.,,,,,
,.~†$%%%&@                                          @&%%%$†~.,
,.~†$%&##@ trains  go by  day  and by night.  along @##&%$†~.,
,.~†$%#@##      the way, there is information       ##@#%$†~.,
,.~†††$%## scattered, often  put on  top  of poles, ##%$†††~.,
,.~†$%&#@# to  be interpreted by the train drivers. #@#&%$†~.,
,.~†$%&#@@ different  parts  of  the  railway  have @@#&%$†~.,
,,,,,.†%&@          different speed limits.         @&%†.,,,,,
,.~†$%&#@#                                          #@#&%$†~.,
,.~†$%&&&& sometimes, trains have to  stop and wait &&&&%$†~.,
,.~†$%&#@# for something to  happen, far away. this #@#&%$†~.,
,.~†$%&#@# is  signaled  by red  or  green  lights. #@#&%$†~.,
,.~†$%&###                                          ###&%$†~.,
,.~†$%&#@#                 &&&&&&&&                 #@#&%$†~.,
,,,,~††%%#                                          #%%††~,,,,
,,,..†%&&@ many people follow  the rails  by  foot. @&&%†..,,,
,.~†$$$$%& often this  proves  to  be  the  shorter &%$$$$†~.,
,.~†$%&#@# path  between  two points. however  this #@#&%$†~.,
,,,,..†$&# is  frowned  upon,   and  very  impolite #&$†..,,,,
,.~†$%&###         toward the train drivers!        ###&%$†~.,
,.~†$%&#@#                                          #@#&%$†~.,
,~†$%&#@##                                          ##@#&%$†~,
,,,.†††%#@                                          @#%†††.,,,
,,,,,.†%%#                                          #%%†.,,,,,
,.~†$%&#@#                                          #@#&%$†~.,
,.~†$%&#@@                                          @@#&%$†~.,