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"The Hangzhou summit will be the most representative of developing countries in G20 history," Foreign Minister Wang Yi told a press briefing on preparations for the meeting.

Xi pointed out some problems in the development of philosophy and social sciences in China. "We have research in quantity but are in need of more quality work, and we have a number of experts but are in need of more masters."

The Chinese diplomat stressed that cooperation among Beijing, Moscow and New Delhi is an open mechanism, not targeting any third party and having no intention to ally to confront others.

Impressed by blueberry plantations in Yichun, Xi told local government and businesses to be aware of changes in the market and diversify their business models.

The international community and countries outside the region should contribute to stability in the region, rather than muddy up the situation, they agreed.