,,,,,,^«/$                                          $/«^,,,,,,
,,,,,,,^«/                                          /«^,,,,,,,
,,,,,,^«/$                                          $/«^,,,,,,
,,,,,^«/$#                                          #$/«^,,,,,
,,,,^«/$##                                          ##$/«^,,,,
,,,^«/$###                  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!         #$/«^,,,,,
,,,,^«/$##                                          ##$/«^,,,,
,,,^«/$###                                          ###$/«^,,,
,,^«/$####                                          ####$/«^,,
,^«/$#####                                          #####$/«^,
,,^«/$####                                          ####$/«^,,
,,,^«/$###                                          ###$/«^,,,