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BEIJING, Dec. 21 (Xinhua) -- Chinese President Xi Jinping said Wednesday that the country's north should promote the use of clean energy in winter heating with a view to reducing the number of smoggy days.

They should set a clearer timeline and a roadmap for the implementation of their promise to provide 100 billion U.S. dollars each year by 2020 to help developing countries address climate change.

For Luo Xi, the increase in visits between state leaders means more trust and cooperation between Chinese companies and those in Latin America.

They were helping with the funeral of a villager, named Lu Baode, in Miaoya Village, Bazhou District of Bazhong city. Lu's family offered them breakfast around 9:40 a.m. Later, some villagers developed symptoms of dizziness, nausea, vomiting, and stomachache.

Ideological and political work is fundamentally work about individuals, Xi said. The work must focus on students, caring for them, serving them, and helping them improve in ideological quality, political awareness, moral characteristics and humanistic quality to enable them to develop both ability and integrity, according to Xi.