A North Korean art troupe put on a concert in Seoul on Sunday to celebrate the ongoing Pyeongchang Winter Olympics, with President Moon Jae In and the North's high-ranking delegation, including its leader Kim Jong Un's sister, in attendance.Kim Yo Jong, the leader's special envoy, and Kim Yong Nam, the country's nominal head, and other delegates are set to return home later in the day, wrapping up their three-day visit to South Korea.The Samjiyon Orchestra, consisting of a total of 140 singers, musicians and other members, arrived Tuesday in the eastern port city of Donghae aboard the North…READ FULL ARTICLE