This document contains satellite photos of Europe, Africa, and the Americas at night, highlighting the patterns of light across major cities and geographical features. In the photo of Europe and Africa, the lights of Paris and Barcelona are visible, while London, Lisbon, and Madrid are still in daylight. The Azores islands can be seen in the Atlantic Ocean. For Brazil, the large light concentrations of São Paulo, Rio de Janeiro, Salvador, and other cities are shown. The photo of the US at night features the bright lights of Boston, New York, Philadelphia, Washington and other eastern cities, while California is still in daylight.