FILE PHOTO: Flue gas and steam rise out of chimneys and smokestacks of an oil refinery during sunset on a frosty day in the Siberian city of Omsk, Russia, February 8, 2023. REUTERS/Alexey Malgavko
Flue gas and steam rise out of chimneys of an
Flue gas and steam rise out of chimneys of an oil refinery in Omsk