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