People have also been building ingenious systems for growing fruit for a long time: https://solar.lowtechmagazine.com/2015/12/fruit-walls-urban-farming-in-the-

People have also been building ingenious systems for growing fruit for a long time: https://solar.lowtechmagazine.com/2015/12/fruit-walls-urban-farming-in-the-1600s/ https://solar.lowtechmagazine.com/2015/12/fruit-walls-urban-...