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In this photograph taken on September 24, 2015, show a vast burning peat land forest in Jabiren Raya district in Central Kalimantan province on Borneo island during President Joko Widodo's inspection of firefighting operations to control agricultural and forest fires. Under pressure from its neighbours to stop the annual haze, Indonesian President Joko Widodo has pledged to crack down on companies and individuals behind the burnings, which are a cheap but harmful way of clearing vast tracts of land for plantations. AFP PHOTO / ROMEO GACAD (Photo credit should read ROMEO GACAD/AFP/Getty Images)

In this photograph taken on September 24, 2015, show a vast burning peat land forest in Jabiren Raya district in Central Kalimantan province on Borneo island during President Joko Widodo's inspection of firefighting operations to control agricultural and forest fires. Under pressure from its neighbours to stop the annual haze, Indonesian President Joko Widodo has pledged to crack down on companies and individuals behind the burnings, which are a cheap but harmful way of clearing vast tracts of land for plantations.  AFP PHOTO / ROMEO GACAD        (Photo credit should read ROMEO GACAD/AFP/Getty Images)