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Peking University is a pioneer of Dunhuang studies in China, with scholars of its predecessor beginning research in the area in the early 20th century.

Xi's trip will inject new impetus into China-India and China-Nepal relations, even China's relations with South Asia, Luo said, adding that Xi's trip will also open up new space for strengthening regional connectivity and economic and trade cooperation, set up new platforms for enhancing mutual trust and friendship among regional people, and make new contributions to world peace and prosperity.

China resolutely opposes the U.S. practice of using "national security" as a pretext for obstructing the development and cooperation of information and communications technologies, said Fu.

Ahsan H Mansur, executive director of leading Bangladeshi think tank Policy Research Institute, said China owes its progress to reform and opening-up.

At the gas-distributing and compressing station in the city of Heihe, northeast China's Heilongjiang Province, the data screen was switched on, indicating parameter variations of the gas passage. The station is the first stop after the Russia-supplied natural gas enters China.