People watch the light show for the upcoming celebrations of the 210th anniversary of the Mexican Independence Day, at Zocalo Square in Mexico City, Mexico, on Sept. 1, 2020. (Photo by Francisco Canedo/Xinhua)

A man takes a photo before the light show for the upcoming celebrations of the 210th anniversary of the Mexican Independence Day, at Zocalo Square in Mexico City, capital of Mexico, on Sept. 1, 2020. (Photo by Francisco Canedo/Xinhua)

People watch the light show for the upcoming celebrations of the 210th anniversary of the Mexican Independence Day, at Zocalo Square in Mexico City, Mexico, on Sept. 1, 2020. (Photo by Francisco Canedo/Xinhua)

People watch the light show for the upcoming celebrations of the 210th anniversary of the Mexican Independence Day, at Zocalo Square in Mexico City, Mexico, on Sept. 1, 2020. (Photo by Francisco Canedo/Xinhua)