Excess natural gas is burnt, or flared, in the distance from Mexican state-run Pemex's Tula oil refinery as seen from a pedestrian bridge next to the Tula power plant belonging to national power company Comision Federal de Electricidad, or CFE, in Tula de Allende, north of Mexico City, Mexico June 22, 2020. Picture taken June 22, 2020. REUTERS/Henry Romero