Tanzanian drone pilot Khadijah Abdulla Ali (R) flies a customized DJI Agras MG-1S drone next to DJI's Enterprise Product Manager Eduardo Rodriguez during a training flight as part of a test in using drone technology in the fight against malaria, near Zanzibar City, on the island of Zanzibar, Tanzania, October 31, 2019. Picture taken October 31, 2019. REUTERS/Baz Ratner