North Korea announced Monday that it will develop two islands on the border with China as an economic zone, a possible move to experiment with Chinese-style economic development. North Korea \"decided to set up the Hwanggumphyong and Wihwa Islands Economic Zone in order to boost the (North)-China friendship and expand and develop the external economic relations,\" the North\'s Supreme People\'s Assembly said in a decree carried by the North\'s official Korean Central News Agency.