£&*////~^.                                          .^~////*&£
#£&&**/~^.                                          .^~/**&&£#
##£&**/~^.                                          .^~/**&£##
##£&**/~^.                                          .^~/**&£##
##£&**/~^.                                          .^~/**&£##
##£&**/~^.                  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!        .^~/**&£##
£&**//~...                                          ...~//**&£
##£&**/~^.                                          .^~/**&£##
££&**~^...                                          ...^~**&££
#&**/^....                                          ....^/**&#
&&*/^^^...                                          ...^^^/*&&
##£&**/~^.                                          .^~/**&£##