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For more about the oil leakage, we are joined by our current affairs commentator Gao Zhikai.
Is it possible to avoid the explosion?
1. Mr. Gao, there is an investigation into who is responsible for the explosion. Do you think is there any possibility that the accident could have been avoided?
Long-term impact of the oil spill
2. Is it possible to completely clean the 50-square kilometer oil polluted area in a short period? What's the impact in the long-term?