The correct answer to this open question is the following.
Siglo de Oro for Spain. Two of the most famous works of art of the Spanish Renaissance culture are "Las Meninas," painted by Diego Velázquez; and "Cristo en la Cruz"(Christ in the Cross), painted by Francisco de Zurbarán.
The 15th and 16th centuries represented a great time for Spanish Arts, to the degree that this period is known as the Spanish Renaissance. As mentioned above, "Las Meninas" is a beautiful painting in which Spanish artist Diego Velázquez portrayed the fine ladies of the time, using a great perspective technique that has astonished the critics.
On the other hand, "Christ in the Cross," painted by Francisco de Zurbarán, is a dramatic painting showing the body of Jesus of Nazareth crucified. The technique shows the pain and suffering of Jesus at the moment of his crucifixion.