The major advantages of such plants are no need of land to build the reactors, earthquake resistant, abundance of water for active or passive cooling.
Abramovich, who is Jewish and has Israeli citizenship, was one of the most powerful businessmen who earned fabulous fortunes after the 1991 break-up of the Soviet Union. Forbes has put his net worth at $13.3 billion.
At least 11 people are feared killed as a cargo plane carrying them crashed in a remote eastern region of Russia.
The winners of the Natural History Museum's prestigious Wildlife Photographer of the Year competition were announced at an awards ceremony in London. American photographer Karine Aigner was announced as this year's Wildlife Photographer of the Year.