I think that the people hidden in the elderly couple's faces is them when they were young, and that may be how they met. I think it shows that they grew old together.
Painting in the renaissance was most commonly done as fresco or murals painted onto plaster walls. For frescos pigments were mixed with water and directly painted onto the wall. However some artists did paint on wood using tempera paints which are pigments that use egg yolk as a binder
Answer: Kings a barons gained influence, but the Christian church retained some power. ... It became more and more removed from church services.
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