Turkish and Russian presidents hailed Wednesday TurkStream natural gas pipeline project, saying the cooperation between two countries has been improving in all fields “despite efforts at obstruction.”

Speaking at the inauguration ceremony of TurkStream project in Istanbul, Recep Tayyip Erdogan termed the project “historic” in terms of bilateral ties and cooperation in the energy field.

Russian President Vladimir Putin was also in attendance of the launch ceremony.

The TurkStream project consists of two lines with a total capacity of 31.5 billion cubic meters (bcm) per year. The first line will carry 15.75 bcm of Russian gas to Turkish consumers

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