Russian Industry and Energy Minister Viktor Khristenko, Greek Development Minister Dimitris Sioufas, Bulgaria's Regional Development Minister Asen Gagauzov (L-Rforeground), Russian President Vladimir Putin, Greek Prime Minister Konstantinos Karamanlis, Bulgarian PM Sergei Stanishev (L-R background) seen during a signing ceremony for the Bourgas Alexandroupolis oil pipeline agreement to transport Russian oil across Bulgaria to a port in northern Greece.in Athens, Thursday 15 March 2007.