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Not to any study in particular, but this article links to a few others that make that case https://urbanverticalproject.wordpress.com/2015/07/21/vertical-succul
by giltleaf 11y ago
Not to any study in particular, but this article links to a few others that make that case https://urbanverticalproject.wordpress.com/2015/07/21/vertical-succulent-gardens/ https://urbanverticalproject.wordpress.com/2015/07/21/vertic...