.##.#..... #.##.##.#.
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#..#.##..# ^^ ^^ #.###..#.#
##...###.. =============================== #.#.##...#
.##..#.##. ## 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 $ ##...#.##.
....#....# ###....###
#....#.... #.##...#.#
##....#... ..###....#
.##....#.. ..#.##...#
.###....#. ....###...