sumatra betSumatra was a source of cloves, camphor and sandalwood in ancient times. Sumatra is believed to have been the site Sinbad’s run in with cannibals. Marco Polo stopped in Belawan, SumatraWhen selecting a SIM card for your stay in Sumatra, consider the following factors: Coverage: If you plan to venture into rural areas or national parks, Telkomsel is your best