###@#$=~^. .^~=$#@###
##=~...... ......~=##
###@#$=~^. .^~=$#@###
@@$=~..... .....~=$@@
@#=~...... ......~=#@
@@#$==^... == == ...^==$#@@
#@@#$==~^. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .^~==$#@@#
##@#$==~^. ## mass-production treehouse ## .^~==$#@##
##@#$==~^. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .^~==$#@##
##@#$==~^. == == .^~==$#@##
#$=~~^.... ....^~~=$#
#==~^..... created in the twenty eighties as a .....^~==#
##@#$==~^. cheap and open source way of dealing .^~==$#@##
##==^^^^.. with constant floods and a rising sea ..^^^^==##
@#====^... level. ...^====#@
@$$=~..... .....~=$$@
@@##$==~^. the "house" would consist of a stack of .^~==$##@@
#@$=~^^... floor modules, each a square of thirty ...^^~=$@#
###@#$=~^. six square meters. these could be made .^~=$#@###
@$===~~~^. out of various materials such as carbon .^~~~===$@
###@#==~^. fiber or plastic, not necessarily the .^~==#@###
##@#$==~^. same for each floor. .^~==$#@##
#===~~~^.. ..^~~~===#
@$=~...... the house would be hung on a "mast", a ......~=$@
@@#$=~^^.. ridged metal pole extending between ..^^~=$#@@
@@##$==~^. fifty and a hundred meters. a mechanism .^~==$##@@
##@#$==~^. within each floor would enable them to .^~==$#@##
#===~~.... climb up or down the mast, together or ....~~===#
##@#$==~^. individually. .^~==$#@##
#=~^...... ......^~=#
##@#$==~^. the lowest floor would usually have a .^~==$#@##
#===^..... loading dock, a balcony/front door, and .....^===#
##@#$==~^. various ladders. .^~==$#@##
@@#$$==~^. .^~==$$#@@
#=~^...... == == ......^~=#
@$$==^^^^. ~~~~~~~~~~~~~~~~~~~~~~~~~~ .^^^^==$$@
##@#$==~^. == == .^~==$#@##
##@#$==~^. .^~==$#@##
##====^... = climate ^ housing ^ modular = ...^====##
##@#$==~^. = suburbs ^ open source = .^~==$#@##
##@#$==~^. .^~==$#@##
@@@#$==~^. .^~==$#@@@
##@#$==~^. .^~==$#@##
##@#$==~^. .^~==$#@##
###$===~^. .^~===$###