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 principal square. It filled with people for the occasion. Telemundo and Univision were at the Zocalo and covered the ceremony live. The celebration marks Mexico's independence. It attracted people to the central square. Organizers planned events for each day. The annual event is a major national occasion. The event ran on both days of the celebration.