The series of plan images shown above illustrate the city of Detroit through the 20th century.
Many unprecedented and unsolvable problems regarding urbanism was born with the main stream adaptation of the automobile through out the 20th century.

Satellite image of the Grand Bazaar (completed in 1730) in Istanbul. An urban device which connects many different geometries of exterior and interior corridors through a unifying enclosed theme of commerce. Almost like a key stone.