These open-mesh gauze curtains can be transparent or translucent depending on whether the light hits from the front or behind. What are they called?

What is pictured below? a. great grotto, boboli gardens b. st. peter’s basilica c. the tempietto d. bramante grotto

Why did bramante’s plans for the st. peter’s basilica never come to fruition? a. he and the pope could not agree on the plans. b. the pope changed his mind several times. c. the pope died and political unrest followed. d. bramante died before he could act on the plans.

One of the researchers mentions that he is looking for "affiliation cues" in the video recordings of the experiment. how would you describe what these affiliation cues indicate?