.......,«†                                          †«,.......
........,«                                          «,........
.........,                                          ,.........
..........                                          ..........
..........                                          ..........
..........    ††                             ††     ..........
..........     «««««««««««««««««««««««««««««««      ..........
..........    ##  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 *        «,........
.......,«†                                          †«,.......
......,«†*                                          *†«,......
.....,«†**                                          **†«,.....
....,«†**&                                          &**†«,....
...,«†**&£                                          £&**†«,...