This document provides satellite photos of the Earth at night, showing patterns of light across different continents and regions. It highlights shots of Europe and Africa with lights visible in major cities like Paris but not yet in London due to time differences. Photos of Brazil show concentrations of light in Rio de Janeiro and Sao Paulo. Shots of the US feature the bright lights of Boston, New York, Philadelphia and Washington on the East Coast. The brief captions encourage protecting the Earth so future generations can enjoy these spectacular views from space.