AdvertisementChina's Leverage — And Its Limits — In North KoreaAugust 04, 2017Elise HuAnthony KuhnfacebookEmailAn armored Chinese police van is seen next to the Friendship Bridge on the Yalu River connecting the North Korean town of Sinuiju and the Chinese city of Dandong. China is North Korea's biggest trading partner. (AFP/Getty Images)
