evidence: South China Sea: what does Beijing want in Indonesia’s Natuna Islands? [...] Beijing should tread carefully when it comes to the Natuna Islands, a region belonging to Indonesia that borders the disputed South China Sea, a global trade route rich in fishing stocks and energy reserves. [...] The fish-rich waters of the Natunas, which lie north of Kalimantan (as the Indonesian portion of Borneo island is known), are increasingly a source of tension in Indonesia’s relationship with China, which is otherwise largely positive.