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During his research on the environmental pollution of a large lake in China in 1982, he discovered the lake contained a large amount of pesticide and wastewater that was discharged by a chemical factory. His research revealed a much higher cancer risk for residents living near the lake compared to other people, he recalls. "Even the appearance of the ducks in the lake had changed. I was shocked. It was then that I made the resolution to dedicate my life to tackling lake pollution issues."

During the last financial crisis, there were 8,614 company bankruptcies in the United States in 2008, and the number rose to 12,644 in 2009, according to the report.

During the first four months of 2018, Yunnan's border control authorities seized a record high of nearly 3.5 tonnes of drugs.

During the three-day visit, Li held talks and co-chaired the 24th regular meeting between Chinese and Russian heads of government with his Russian counterpart Dmitry Medvedev in St. Petersburg and met with Russian President Vladimir Putin in Moscow.

During the Spring Festival, the average daily charge exceeded 250,000 kWh. The figure went up to nearly 300,000 kWh during the May Day holiday.