Guajajara women wear protective masks to prevent the spread of COVID at a community school in the village of Morro Branco in Maranhão, a state in northeastern Brazil on October 4, 2020. Photo by Adriano Machado with REUTERS
Guajajara women wear protective masks to prevent the spread of COVID at a community school in the village of Morro Branco in Maranhão, a state in northeastern Brazil on October 4, 2020.  REUTERS/Adriano Machado