Muna 2019, mushure mekuenzanisa kwehunyanzvi uye mhinduro, LANZ Manufaktur Germany GmbH yakapihwa kondirakiti kubva kuOlympiastadion Berlin GmbH yeBerlin Olympic Stadium's lighting system retrofit inosanganisira Main Field, Auditorium, Membrane, Public Area, VIP Room neFaçade....