Concrete buildings can do anything. The heavy material draped as in Keiko + Manabu”s Ellipse Sky, as seen in Architectural Record,
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or have planes cantilever or folded like the House K in Nishinomiya, Japan.
‘ Not surprisingly, the roof was the most difficult part of the house to construct.’
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A concrete structure by CASA BB by BAK Arquitectos in Argentina
who ‘needed’ a carpenter with proficiency in wood-plank form work.
Passive Architect 