People wear masks amid the COVID-19 pandemic in downtown Mexico City, Monday, Oct. 18, 2021. Starting Monday, Mexico City lifts some of its virus restrictions, allowing bars, clubs and indoor events to fill up to 50% capacity, and massive outdoor events can fill to capacity but masks will still be required. (AP Photo/Fernando Llano)

People walk outside the Palacio de Bellas Artes, Fine Arts Palace, in downtown Mexico City, Monday, Oct. 18, 2021. Starting Monday, Mexico City lifts some of its COVID-19 restrictions, allowing bars, clubs and indoor events to fill up to 50% capacity, while massive outdoor events can fill to capacity but masks will still be required. (AP Photo/Fernando Llano)

A man jogs past the Angel of Independence monument in Mexico City, Monday, Oct. 18, 2021. Starting Monday, Mexico City lifts some of its COVID-19 restrictions, allowing bars, clubs and indoor events to fill up to 50% capacity, while massive outdoor events can fill to capacity but masks will still be required. (AP Photo/Fernando Llano)

A woman student of law, member of a special program for retired people, poses for a photo dressed as catrina in front of Angel de la Independencia monument in Mexico City, Monday, Oct. 18, 2021. Starting Monday, Mexico City lifts some of its COVID-19 restrictions to allow bars, clubs and indoor events to fill up to 50% capacity. Massive outdoor events will not have capacity limits but masks will still be required. (AP Photo/Fernando Llano)