"New York was sleeping, and millions of electric lamps guarded its sleep. People from Scotland, Ireland, Hamburg and Vienna, Kovno and Bialystok, Naples and Madrid, Texas, Dakota and Arizona were sleeping, people from Latin America, Australia, Africa and China were sleeping. Black, white and yellow people were sleeping. Looking at the slightly fluctuating lights, we wanted to quickly find out: how do these people work, how do they have fun, what do they dream about, what do they hope for, what do they eat?"