Who designed the colonnaded piazza added to St. Peter's Basilica?

In his drawing Fish Skeletons (fig. 4.15) Hyman Bloom reverses the usual technique for pen and ink by __________

A. showing only the contour lines B. using a lot of hatching to create shading C. using white ink on dark paper D. creating spatial values

Which of the following is an example of Paleolithic art?

a. Stonehenge b. the wall painting from the tomb of Nebamun c. the Warka vase d. the Hohle Fels Figure