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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.           ###£%=†~.,
,,..~~†%%#                                          #%%†~~..,,
,.~†=%£###  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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