Russian researchers begin oil and gas exploration off North Korea’s east coast: Russian researchers have kicked off a maritime expedition in search of gas and oil on North Korea’s shelf in the Sea of Japan (East Sea), official documents show, following Moscow’s move to spend millions of dollars on mineral exploration off the DPRK’s coast. St. Petersburg geology and oceanology researchers began a monthlong voyage aboard the […] #Russia #NorthKorea #OilExploration #GasExploration #MarineResearch