In this episode, Mr. Bruns will discuss the difference between "buon frescoe" and "secco frescoe". He will also discuss the pros and cons of using the materials and give a few examples of artists who used one of these techniques.
https://smarthistory.org/michelangelo-ceiling-of-the-sistine-chapel-2/
https://cenacolovinciano.org/en/museum/the-works/the-last-supper-leonardo-da-vinci-1452-1519/
https://www.asiaresearchnews.com/content/painted-stone-stories-buddha-ajanta-caves-0