,,~;=$@@@# #@@@$=;~,,
,,~;=$@@@# #@@@$=;~,,
,,~;=$$$@@ @@$$$=;~,,
,,~;=$@@@# #@@@$=;~,,
,,,,,,,;=@ @=;,,,,,,,
,,,,,;;=$@ ;; ;; @$=;;,,,,,
,,,,,,,;$@ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @$;,,,,,,,
,,~;=$@@@# ## mass-production treehouse ## #@@@$=;~,,
,,~~~;=$@@ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@$=;~~~,,
,,~;$@@@## ;; ;; ##@@@$;~,,
,,,,,,,;$@ @$;,,,,,,,
,,~;=$$$$@ created in the twenty eighties as a @$$$$=;~,,
,,~;=$@@@@ cheap and open source way of dealing @@@@$=;~,,
,,~;=$@@@# with constant floods and a rising sea #@@@$=;~,,
,,,,~;;$$@ 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. @@=~,,,,,,
,,,,,,,;$@ @$;,,,,,,,
,,~=$@@@## ;; ;; ##@@@$=~,,
,,~;=$@@@@ ~~~~~~~~~~~~~~~~~~~~~~~~~~ @@@@$=;~,,
,,~;=$@@@@ ;; ;; @@@@$=;~,,
,,,,,~==$@ @$==~,,,,,
,,~;=$@@@# = climate , housing , modular = #@@@$=;~,,
,,~;=$@@@@ = suburbs , open source = @@@@$=;~,,
,,,,,,~=$@ @$=~,,,,,,
,,~;=$@@@# #@@@$=;~,,
,,~;=$@@@# #@@@$=;~,,
,,~;=$@@@# #@@@$=;~,,
,,,,,,;=$@ @$=;,,,,,,