A canal runs through a city that has buildings on either side of the river,and boats in the water

View of the Grand Canal: Santa maria della Salute and the Dogana Campo SantaMaria Zobenigo
by Bernardo Bellotto
Digital image courtesy of the Getty's Open Content Program
Question
To create an illustration of perspective, this artist did all of the following except
(1 point)
Responses

show clear orthogonal lines.
show clear orthogonal lines.

have an implied vanishing point.
have an implied vanishing point.

distort proportion to keep the background and foreground the same size.
distort proportion to keep the background and foreground the same size.

include value changes between the foreground and background

include value changes between the foreground and background