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Chinese researchers have developed the world's first 4D printing technology for ceramics, offering broad potential applications in telecommunications, electronics and even space exploration.

Chinese-built industrial zones under the Belt and Road Initiative, or BRI, have become effective platforms for African countries to learn about China's development experiences and realize their industrial transformation.

Chopped and burned animal bones, for example, are strong evidence of human settlement, Zhang explained, and such materials were found in the cave and dated from 190,000 years to 30,000 years ago.

Chinese tech heavyweight Lenovo Group Ltd saw its profit more than double in the quarter which ended in June, on the back of a record high personal computer market share and strong performance in its internet data center business.

Closer business ties have boosted two-way flows of people as well. Buses shuttling between Zabaikalsk and Manzhouli are usually packed with Russian and Chinese traders.