Lake Baikal is a massive crack in the earth, 400 miles long, 30 mile wide and 5000 feet deep in some areas. It's located in South Central Siberia directly north of Mongolia. As the value of water is increasingly recognized, this body of water in Russia will likely come into play. 

The Siberian Question and The Price of Water are available now. Read the first chapter of either book free at https://rossadams.net/mailing-list