The document provides a summary of sights to see in Mexico City including: - The main square, Zocalo, decorated for Christmas - The National Palace with murals by Diego Rivera - Los Azulejos cafe, a traditional spot in the city - Palace of Fine Arts housing the opera and ballet - Acrobats performing in Chapultepec Park - Xochimilco, where boats sail among flower-growing islands with mariachis playing music - Teotihuacan archaeological site with the Moon and Sun Pyramids