HomeEurope strains for clarity as Russia stands by roubles-for-gas demandFILE PHOTO: An employee walks past a part of Gazprom’s

FILE PHOTO: An employee walks past a part of Gazprom’s

FILE PHOTO: An employee in branded jacket walks past a part of Gazprom's Power Of Siberia gas pipeline at the Atamanskaya compressor station outside the far eastern town of Svobodny, in Amur region, Russia November 29, 2019. REUTERS/Maxim Shemetov/File Photo