,,,,,,,£,£                                          £,,,£,,£,,
,,,,,,,,,£                                          ,£,,,£,,£,
,,,,,,,,,,                                          ,,£,,,£,,£
£,,,,,,,,,                                          £,,£,,,£,,
,£,,,,,,,,                                          ,£,,£,,,£,
,,£,,,,,,,     //                             //    ,,£,,£,,,£
£,,£,,,,,,      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     ,,,£,,£,,,
,£,,£,,,,,     ##  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 *         ,,,,,,,,,£
,£££,,£,,,                                          ,,,,,,,,,,
,£,££,,£,,                                          £,,,,,,,,,
,,,£££,,£,                                          ££,,,,,,,,
,,,£,££,,£                                          ,££,,,,,,,
,,,,,£££,,                                          ,£££,,,,,,