Varna, Bulgaria - 21 November 2015: Unclaimed Gas pipes of large diameter for the closed South Stream project - the construction of a gas pipeline to transport Russian natural gas across the Black Sea to Europe. Poster #234106816
Varna, Bulgaria - 21 November 2015: Unclaimed Gas pipes of large diameter for the closed South Stream project - the construction of a gas pipeline to transport Russian natural gas across the Black Sea to Europe. Poster #234106816
