All of these artists worked with oil paints

What is von petzinger really interested in finding out through her studies in cave art?

The caves at lascaux were closed in 1963 because a. vandals were destroying the paintings b. the collective breath of the many visitors caused the paintings to corrode c. the weather was destroying the paintings d. the government of france wanted scholars to be able to study the work without distraction

Which principle of design is in primary use in this structure?