Red tide is seen at the oil spills affected sea area in North China's Bohai Bay, on July 15, 2011. The oil spills near Platform C at Penglai 19-3 oil field were first detected on June 4. ConocoPhillips said on Thursday that the total volume of oil spilled from the Penglai 19-3 Oilfield in Bohai Bay is expected to reach about 1,500 barrels.[Photo/Xinhua]
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