BHP Billiton in Hassell-designed Brookfield Place

BHP Billiton in Hassell-designed Brookfield Place - BHP Billiton in Hassell-designed Brookfield Place - architecture | building | commercial building | condominium | corporate headquarters | daytime | facade | headquarters | metropolis | metropolitan area | mixed use | real estate | residential area | sky | skyscraper | tower block | urban area | window | blue