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