Westonbirt Arboretum, Wolfson Tree Management Centre // Widespan machinery store at the National Arboretum, using timber larch and Corsican Pine from the estate to form king post truss roof. The project was built partially through a training programme with volunteers.// Architect: Invisible Studio; Engineer: Buro Happold// Our Role: Charley Brentnall - Managing Director (at Carpenter Oak & Woodland )