American military jets perform air show to honor frontline workers amid the COVID-19 pandemic, in New Orleans, Louisiana, the United States, on May 1, 2020. (Photo by Wei Lan/Xinhua)

American military jets perform air show to honor frontline workers amid the COVID-19 pandemic, in New Orleans, Louisiana, the United States, on May 1, 2020. (Photo by Wei Lan/Xinhua)

American military jets perform air show to honor frontline workers amid the COVID-19 pandemic, in New Orleans, Louisiana, the United States, on May 1, 2020. (Photo by Wei Lan/Xinhua)