Have you always secretly harbored a love for urban design or architecture but your parents made it clear to you that they would only financially support you through school if you studied pharmacy? We know your situation sucks, but just because you can't get a degree in urban planning doesn't mean you can't sketch out designs of beautiful cities.
Check out this drawing tutorial to learn how to draw an urban street scene using complex levels, or multiple levels of ground, that converge in one (or sometimes two) vanishing points.
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