RIVER POLLUTION
LATEST, 17/7 - SUNGAI SIAK. A cleanser collects waste on the banks of Siak River in Pekanbaru, Riau, Friday (17/7). The condition of Siak River water, which is one of the longest rivers in Riau, is more concerned about the threat of industrial and household waste pollution. PHOTO ANTARA/FB Anggoro/Koz/hp/09.
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