(FILES) In this file photo taken on May 20, 2020 an Aeromexico airlines plane lands at the Benito Juarez International airport, in Mexico City, amid the new Covid-19 coronavirus pandemic. - US regulators have downgraded Mexico's air safety rating, a move that bars Mexican carriers from offering new service or routes in the United States, the Federal Aviation Administration (FAA) announced May25, 2021. (Photo by PEDRO PARDO / AFP)
