Which city is known as "Motor City"?

Which city is the largest in Nevada? Which city is known as "The Windy City"? Which city is known as "The Big Easy"? Which city is known as "The Mile High City"? Which city is known as "The City of Brotherly Love"? Which city is known as "Music City"? Which city is known as "Sin City"? Which city is known as "The Big Apple"?