When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what they could mean. Four years of underwater research revealed a lost world.
Fuel oil spilled as a result of the accident of the Russian tankers Volgoneft-212 and Volgoneft-239 in the Black Sea may reach the coasts of Odesa and Mykolaiv. In the temporarily occupied Crimea, ...