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Beijing aims to lower its PM2.5 yearly average from 73 micrograms per cubic meter in 2016 to 60 in 2017. It will be a challenging target as PM2.5 usually increases in winter when the atmosphere is more static and households turn on coal-burning heaters.

Xi also called on enhancing military cooperation as well as coordination on multilateral arenas.

However, the fight against terrorists in Syria and other countries and regions must continue. Russia calls for going over from debates to the practical creation of a broad counterterrorism front based on international law and led by the UN. Naturally, we highly appreciate the support and assistance of our BRICS partners in this respect.

"A continued, sound and steady development of China-Russia relations is conducive to maintaining the security and stability of the two countries, to their own development and revitalization, and to world peace, stability and prosperity as well," Xi said.

Egypt and China enjoy strong bilateral relations that have been elevated to the level of comprehensive strategic partnership. The two countries marked in 2016 the 60th anniversary of the establishment of their diplomatic relations.