Designed in 1980, the partially sunken Sunburst Residence keeps a low profile—and a low carbon footprint.  Photo 1 of 17 in A Passive Solar Home Built Into the Hillside Asks $610K in Northern California

A Passive Solar Home Built Into the Hillside Asks $610K in Northern California

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Designed in 1980, the partially sunken Sunburst Residence keeps a low profile—and a low carbon footprint.