BHP Billiton in Hassell-designed Brookfield Place

BHP Billiton in Hassell-designed Brookfield Place - BHP Billiton in Hassell-designed Brookfield Place - architecture | building | city | commercial building | condominium | corporate headquarters | daytime | downtown | facade | landmark | metropolis | metropolitan area | mixed use | neighbourhood | plaza | sky | skyscraper | tourist attraction | tower block | urban area | gray