Vacant land. Aerial view over Detroit, Michigan, USA, showing extensive sections of vacant land (left) contrasted with the wealthy neighbourhood of Grosse Pointe Park (right), where no vacant land is seen. Huge sections of vacant land characterise many Detroit neighbourhoods despite the downtown renaissance. The city's population has fallen from 1.86 million in 1950 to an estimated 673,000 in 2017. Photographed in April 2019.