While Yuck City is considered a plains habitat (a broad river valley to be more specific) it does have its share of steep hills, criss-crossed by natural and artificial canyons for rail and automotive transportation.

This was more of a pencil test than a honest effort. Tried Prisma, Faber-Castell and Caran-d-ache... probably will stay with Koh-i-noor and Faber-Castell for quite awhile.