Two Russian mini-subs that have spent the...
are trapped within a cage of water molecules, were found. Gas hydrates are considered a possible alternative fuel.Russian Prime Minister Vladimir Putin made a 4-hour dive in the Mir-1 mini-submarine to the bottom of Lake Baikal in August last year.
The total cost of the expedition was $8 million, with a single dive costing 2 million rubles ($64,800).
MOSCOW, February 25 (RIA Novosti)
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