The China-Central Asia Cooperation Development Forum and the Third Silk Road International Communication Forum were held on Sunday in Astana.
China-Europe freight trains have evolved into a cornerstone of the Belt and Road Initiative -- promoting trade and connectivity between Europe and Asia.
Xi made the remarks in his keynote speech at the second China-Central Asia Summit hosted by Kazakh President Kassym-Jomart Tokayev.
Recently, multiple cross-border railway projects have achieved significant milestones.
The 110,000th China-Europe freight train exited China via northern Inner Mongolia's Erenhot Port, the largest land port on the China-Mongolia border, on Thursday.
Situated on the China-Kazakhstan border, Horgos Port and Alashankou Port, also known as Alataw Pass, are Xinjiang's two primary rail gateways.
Cooperation between China and Caribbean countries has contributed to the development and common prosperity of the region, Caribbean officials have said.
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The route is part of the country's goal to strengthen the protection, inheritance and utilization of cultural and natural heritage.
The "Digital Dunhuang" project, a decade-long endeavor to create virtual replicas of caves and murals, has drawn particular attention.
