Sfumato is the technique of allowing tones and colors to shade gradually into one another, producing softened outlines or hazy forms.
Does the second pert have a picture or something? what is a fresco?
Sorry, Hope this helps
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The materials that were used to construct the pyramid by I.M. Pei was steel and glass. I'm sorry if it wasnt much help but that's all I could find on it.
This is kind of you’re own opinions and perspective the project ur working on