An Indonesian soldier extinguishes a forest fire on a peat land at Ogan Komering Ilir in South Sumatra, Indonesia, Sept. 12, 2015. Indonesia is once again struggling to extinguish massive forest fire on Sumatra and Kalimantan islands, and engaging domestic resources to address the knotty problem that has persisted in the past 18 years. (Xinhua/Nova Wahyudi)
