The BBC's Liza Tambunan is in central Kalimantan, to explain what peat is and why Indonesia is facing its worst wildfire season in a decade.
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The BBC's Liza Tambunan is in central Kalimantan, to explain what peat is and why Indonesia is facing its worst wildfire season in a decade.

The BBC's Liza Tambunan is in central Kalimantan, to explain what peat is and why Indonesia is facing its worst wildfire season in a decade.