FILE PHOTO: Pumpjacks are seen against the setting sun at the Daqing oil field in Heilongjiang province, China December 7, 2018. Picture taken December 7, 2018. REUTERS/Stringer
Pumpjacks are seen against the setting sun at the Daqing
FILE PHOTO: Pumpjacks are seen against the setting sun at the Daqing oil field in Heilongjiang province, China December 7, 2018. Picture taken December 7, 2018. REUTERS/Stringer