Caixa Geral de Depósitos, Lisboa , by eduardo nery , 1993 , Op Art style
The ceiling of a building with a circular design.
The ceiling of a building is blue with speckles of different colors. The top of the ceiling is white. There is a circle in the middle of the blue ceiling. The inside of the circle is yellow. There are many yellow and blue lines going in a circular pattern on the ceiling. 