Paramedics take part in a parade to commemorate the medical personnel died in the COVID-19 pandemic in Mexico City, Mexico, May 30. 2020. (Photo by Sunny Quintero/Xinhua)

Paramedics take part in a parade to commemorate the medical personnel died in the COVID-19 pandemic in Mexico City, Mexico, May 30. 2020. (Photo by Sunny Quintero/Xinhua)

Paramedics take part in a parade to commemorate the medical personnel died in the COVID-19 pandemic in Mexico City, Mexico, May 30, 2020. (Photo by Sunny Quintero/Xinhua)

Paramedics take part in a parade to commemorate the medical personnel died in the COVID-19 pandemic in Mexico City, Mexico, May 30. 2020. (Photo by Sunny Quintero/Xinhua)