Because that is what inspires them they see their environment with so much beauty
1= form and light
2=depth
refer to these websites for more info on both illusions
1- thevirtualinstructor.com/hatchingcrosshatching.html
2- www.udel.edu/artfoundations/beg_paintingtechniques.html
He was working hard one day until a metal bean fell on his head
The answer would be
<em>They placed closer objects lower.</em>
Hoped this helped:)