Architects NBBJ have designed skyscrapers which do n't cast a shadow . Firm is trying to tackle problem of shade encroaching on public space . They used computer program to design 236 buildings which disperse light . Theoretical skyscrapers touted for construction in Greenwich , London .
Architects NBBJ have designed skyscrapers which do n't cast a shadow . Firm is trying to tackle problem of shade encroaching on public space . They used computer program to design two buildings which disperse light . Theoretical skyscrapers touted for construction in Greenwich , London .