In this photograph taken on September 29, 2013, tourists watch Indonesian military helicopters patroling the beach area of Nusa Dua, close to the venue of the Asia-Pacific Economic Cooperation (APEC) summit in Indonesia’s resort island of Bali. Indonesian authorities have increased security ahead of the APEC summit where 21 world leaders including US President Barack Obama will participate in the leaders summit from October 7 to 8. AFP PHOTO / ROMEO GACAD (Photo credit should read ROMEO GACAD/AFP/Getty Images)