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 became packed for the event. Telemundo and Univision were at the Zocalo and covered the ceremony live. The celebration commemorates Mexico's independence. It drew crowds to the public square. Organizers prepared festivities for each day. The annual event is a top national observance. The event continued on both days of the celebration.