Mexico City's Zocalo welcomed Independence Day celebrations on Sept. 15 and 16. Many people arrived for the annual ceremony celebrating independence. The Zocalo is the capital's main square. It became packed for the event. Telemundo and Univision were at the Zocalo and provided live coverage. The ceremony marks Mexico's independence. It attracted people to the central square. Organizers planned events for each day. The annual observance is a major national occasion. The event continued on both days of the celebration.