ceiling at Scrovengi chapel, Giotto 1305
lapis lazuli
Cy Twombly states that the startling blue color in his Louvre ceiling was inspired by Giotto and that Early Renaissance painter's use of lapis lazuli
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American Scholar : American artist Cy Twombly paints a ceiling at the Louvre
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American Scholar : American artist Cy Twombly paints a ceiling at the Louvre