&.&&.&.&.& &....&&..&
&..&.&.&.& &...&.&.&.
&.&&.&.&.& &..&&.&.&.
&..&.&.&.& &.&.&.&.&.
&.&&.&.&.& &.&.&.&.&.
&..&.&.&.& :: :: &.&.&.&.&.
&.&&.&.&.& ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ &.&.&.&.&.
&..&.&.&.& ## 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 % &.&.&.&.&.
&.&&.&.&.& &.&.&.&.&.
&..&.&.&.& &.&.&.&.&.
&.&&.&.&.& &.&.&.&.&.
&..&.&.&.& &.&.&.&.&.
&.&&.&.&.& &.&.&.&.&.