Answer:
that's cool.................
Answer:
The camera obscura later became a popular tool during the Middle Ages and the Renaissance, particularly after inventors began using biconvex lenses to brighten its images. Astronomers used it to protect their eyes while observing the sun and solar eclipses, and artists employed it as an aid in portraiture and landscape painting.
Explanation:
<span>Of the contemporary artists who are exploring large-scale drawings on walls,
Gary Simmons specializes in the medium of chalk.
He is an American artist who often uses cultural stereotypes in his art in order to convey a specific message. He is one of the rare artists today who uses chalk in order to do that, drawing immense images on a black background which astonish his audience. I've attached an example of his work.</span>