A Chinese art troupe led by a senior Chinese Communist Party official arrived in North Korea on Friday in a sign of further improving ties between the neighboring countries.Kim Yo Jong, North Korean leader Kim Jong Un's sister and close aide who serves as the first vice department director of the Central Committee of the ruling Workers' Party, greeted the delegation at Pyongyang International Airport.Song Tao, head of the International Liaison Department of the Central Committee of the Communist Party of China, is leading the art troupe, which is scheduled to participate in the April Spring…READ FULL ARTICLE