£,,,,££,£,                                          £,£,,£,,,,
,£,,,££,,£                                          ,,,£,,£,,,
,,£,,£££,,                                          ,,,,£,,£,,
,,,£,£,££,                                          ,,,,,£,,£,
,,,,,,,£££                                          £,,,,,£,,£
£,,,,,,£,£    **                             **     ,£,,,,,£,,
,£,,,,,,,£     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~      ,,£,,,,,£,
,,£,,,,,,£    ##  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 %         £,,,,,,,££
££,,,,,£,,                                          ££,,,,,,£,
£££,,,,,£,                                          £££,,,,,,,
£,££,,,,,£                                          £,££,,,,,,
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