In this photo released by Korean Central News Agency via Korea News Service in Tokyo, U.N. political chief B. Lynn Pascoe, left, is greeted by an unidentified North Korean official upon arrival at an airport on the outskirts of Pyongyang, North Korea, Tuesday, Feb. 9, 2010. Pascoe, a senior U.N. envoy, arrived in North Korea, the world body's highest-level visit to the reclusive state in nearly six years, amid an international push to get it back to the nuclear negotiating table.