In the living room, the vertical timber columns that support the roof are in plain sight. Stevens wants his children to understand how their house stands up. His building method was partly inspired by Walter Segal, a mid-20th-century German architect who spent most of his life in London.  Photo 1 of 10 in Emerald in the Rough

Emerald in the Rough

1 of 10

In the living room, the vertical timber columns that support the roof are in plain sight. Stevens wants his children to understand how their house stands up. His building method was partly inspired by Walter Segal, a mid-20th-century German architect who spent most of his life in London.