,,,...:$$# #$$:...,,,
,.=:^&#### ####&^:=.,
,,,,...:^& &^:...,,,,
,.==::$$&# #&$$::==.,
,.=:^&#### ####&^:=.,
,.=:^$&### rails ###&$^:=.,
,,,,..:$&# #&$:..,,,,
,,,,..=^$# #$^=..,,,,
,,,,,,=^^& &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &^^=,,,,,,
,.=:^$&### ###&$^:=.,
,.=:^$&&&# &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& #&&&$^:=.,
,.=:^$&### ###&$^:=.,
,.=:^$&### ###&$^:=.,
,.=:^$&### trains are so constructed that they ###&$^:=.,
,.=:^$#### have to follow a set path. this path is ####$^:=.,
,,,,..:$&# called a "railway", which is comprised #&$:..,,,,
,.=:^$&### of two metal rails, hence its nickname. ###&$^:=.,
,,,,,..:$& &$:..,,,,,
,,,,.:$&&# because the low friction between the #&&$:.,,,,
,.=:^$#### wheels of the train and the rail metal, ####$^:=.,
,.=:^$&### there are limits for how acute a curve ###&$^:=.,
,.=:^$&### can be, and even more so for how much ###&$^:=.,
,,,,.=::$# the ground under the rails can be #$::=.,,,,
,.=:^$&### sloped. thus a railway is often not led ###&$^:=.,
,,,,.=:$## on top of hills, rather through them in ##$:=.,,,,
,.=:^$&### tunnels (if they are large), or ###&$^:=.,
,,,,=^$$&# artificial chasms. #&$$^=,,,,
,.=:^$&### ###&$^:=.,
,.=:^^^$&# there will be trees on the side of the #&$^^^:=.,
,.=====:$# rails, but not too close, or they will #$:=====.,
,.=:^$&### be cut down by the railway janitors. ###&$^:=.,
,.=:^$&### there will be plains, and bodies of ###&$^:=.,
,.=:^$&### water. ###&$^:=.,
,.=:^$&### ###&$^:=.,
,.=:^^^^&& 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! #&$$$^:=.,
,.=:^$&### ###&$^:=.,
,.=:^$&### ###&$^:=.,
.=:^$&#### ####&$^:=.
,.=:^$&### ###&$^:=.,
,.=:^$&### ###&$^:=.,
,.=:^$$&## ##&$$^:=.,