Cold hand of KGB haunts oil-rich wasteland By Adrian Blomfield in Nefteyugansk (Filed: 22/06/2006) Even by the desolate standards of Siberia, Nefteyugansk is a forbidding place. Last winter temperatures sank as low as minus 58 Celsius. Summer brings with it a sapping humidity, melting the ice and turning the area into a vast, mosquito-infested swamp. No one in his right mind would want to live in Nefteyugansk. Indeed, until the 1970s, no one apart from the local Khanti people did. Yukos is now owned by Rosneft Yet this stretch of Siberian marsh is now perhaps Russia's most valuable piece of...