.,==$%@@## ##@@%$==,.
.,,==$$%@# #@%$$==,,.
.,==$%@@## ##@@%$==,.
.,==$%@@## ##@@%$==,.
.,==$%@### ###@%$==,.
.,==$%%%@@ == == @@%%%$==,.
.,==$%@@## =============================== ##@@%$==,.
.,==$%@@## ## mass-production treehouse ## ##@@%$==,.
.,==$%@@## =============================== ##@@%$==,.
.....,=$%@ == == @%$=,.....
...,==$@@@ @@@$==,...
.,==$%%%%@ created in the twenty eighties as a @%%%%$==,.
.....===%@ 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 $ ##@@%$==,.
.,==$%@@## ##@@%$==,.
.,==$%@@## ##@@%$==,.
.,,,==$@@@ @@@$==,,,.
.,==$%@@## ##@@%$==,.
.,===$%@@# #@@%$===,.