Pre-Dawn Sky

I spent last Sunday night at Alejandro's house, and I woke up at around 7:30 A.M., just before sunrise, on Monday morning.  The sky looked clear, so I climbed to the roof. There I had a great view.  The volcanoes Iztaccíhuatl (left) and Popocatépetl were silhouetted against a dramatic pre-dawn sky.  Also notice the airplane taking off from Mexico City International Airport.