FILE PHOTO: Warning signs are pictured in front of the gas compressor station, a part of Polish section of the Yamal pipeline that links Russia with western Europe which is owned by a joint venture of Gazprom and PGNiG but it is operated by Poland's state-owned gas transmission company Gaz-System, in Gabinek near Wloclawek, Poland May 23, 2022. The signs read: "Attention! Explosion risk. Zone 2" and "Natural gas. Keep fire away." REUTERS/Kacper Pempel/File Photo