FILE PHOTO: The logo of Austrian oil and gas group OMV is pictured at the rooftop of its headquarters in Vienna, Austria May 12, 2020. Picture taken May 12, 2020. REUTERS/Leonhard Foeger
FILE PHOTO: The logo of Austrian oil and gas group OMV is pictured at the rooftop of its headquarters in Vienna, Austria May 12, 2020. Picture taken May 12, 2020. REUTERS/Leonhard Foeger