At a net-zero home in San Francisco, the house's green roof is more of a brown roof: a desert-like array of native and non-native succulents that require minimal irrigation. The soil area is maintained with motorcycle tires (including one from a Harley hog), which control erosion. Composting takes place here as well.  Search “ञ화성오피[bam2.net]쾌활밤달+╗화성건마+ꁷ화성밤달+㍦화성오피+<화성놀거리+ꂂ화성풀싸롱+ਗ਼화성육덕미녀+ꂊ화성오피+ާ화성오피밤달+┲화성입사방” from This Net-Zero Residence Might Be the Greenest Home in San Francisco

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At a net-zero home in San Francisco, the house's green roof is more of a brown roof: a desert-like array of native and non-native succulents that require minimal irrigation. The soil area is maintained with motorcycle tires (including one from a Harley hog), which control erosion. Composting takes place here as well.