The roof is a complex combination of roof forms with a degree of regularity such as symmetry.
Complex regular roof, a symmetrical arrangement of multiple pitched gable roofs, New Zealand (A Charleson).
Complex regular roof, a repeating arrangement of multiple pitched gable roofs, New Zealand (A Charleson).
Complex regular roof, Phom Penh, Cambodia (C. Scawthorn)
A school building in Padang, Indonesia - roof form derives from water buffalo horn (C. Scawthorn)