A panorama of the ruins of the Mayan city of Tulum with the Palace of the Great Lord at left, the Temple of the Diving God or Descending God at left rear, El Castillo or the Castle at center rear, the House of Columns, center front, the Temple of the Frescos at its right with the House of the Chultun at right front. Tulum National Park, Quintana Roo, Mexico.