Answer:
Thank you kind stranger:)
Fresco Secco. In the dry plaster or "fresco secco" technique, pigments are usually mixed with water, although other substances might also be used. The paint is then applied to a dry plaster wall which has been wetted down with water.
<span>Coosje van Bruggen is the person who collaborated with claes oldenburg to create the sculpture plantoir. She worked in partnership with Coosje van Bruggen.</span>