its bell or umbrella on the roof\u2014crosses the entire house with its tentacles, extending from the roof to the ground,\u201d the firm writes on its website. architecture wood roof building shed metal facade modern material interior design design siding daylighting window covering. outdoor kitchen countertops. exterior:modern roof terrace design with stylish grey sofa set and beautiful scenery view impressive. photos hgtv contemporary stone house exterior with gable roof. image image image image image. throughout modern architecture materials.