A small hole in a piece of cardboard held up to the sun, placed in a window perhaps, will act like a pinhole camera, projecting an image of the sun as a disc of light.
(a piece of cardboard; held up; ) (the sun; placed; in a window perhaps) (A small hole in a piece of cardboard; will act; like a pinhole camera)
a piece of cardboard the sun A small hole in a piece of cardboard
held up placed will act
in a window perhaps
like a pinhole camera