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He demanded proper responses to periods of heavy pollution.
The city of Shanghai has applied for its Free Trade Zone, a much reduced negative list for foreign investment which has cut special administrative measures by more than one third.
"We stand ready to share our experience with other countries and work with them to enhance the security monitoring of radioactive sources," he said.
BEIJING, May 20 (Xinhua) -- Chinese Vice Premier Wang Yang Friday called on G20 countries to expand the global tourism market and help drive economic recovery.
Resolving disputes, he said, requires them to manage and narrow differences through cooperation.
来源：资阳报