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Jointly sponsored by the Chinese Academy of Engineering, the U.S. National Academy of Engineering, and the Royal Academy of Engineering, the two-day Second Global Grand Challenges Summit opened on Tuesday. Over 800 delegates from academic and industrial circles of the world joined the summit.

WARSAW, Oct. 14 (Xinhua) -- President of Poland Andrzej Duda and visiting Chinese Foreign Minister Wang Yi agreed to expand cooperations between the two countries Wednesday during their talks at the Presidential Palace here.

Investment in education, employment and startups will be enhanced in poor areas, while poverty relief and environmental protection shall be coordinated.

Compared with their formal meeting at No. 10 Downing Street, the countryside retreat helps create a more relaxed atmosphere for discussions, during which the leaders can free themselves from diplomatic etiquette and exchange views as if they were at a friend's party, said Xu Xiujun, a scholar at the Chinese Academy of Social Sciences.

The first defense strategic consultation was held last year in the Hungarian capital Budapest.