灾难：官员警示意大利石油泄漏导致生态灾难
Hints：Adriatic，Roberto Menia，
Italian authorities say it is a race against time to stop a massive oil slick flowing down Italy’s longest river. The black tide continues down the Po River and is expected to reach the Adriatic by the weekend. Recent heavy rains have swollen the river allowing the oil to move quickly despite effor…