Many upscale homes are adding personal ‘green rooms’ for entertaining and relaxing. The Zoppos greenhouse features a waterfall and koi pond, while Tom Bertelsen’s conservatory contains a dining ... more 
Many upscale homes are adding personal ‘green rooms’ for entertaining and relaxing. The Zoppos greenhouse features a waterfall and koi pond, while Tom Bertelsen’s conservatory contains a dining area. Photo: Bob O'Connor for The Wall Street Journal. less 
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Thu, Mar 13, 2014 5:52 PM EDT