5,000 years old Chinese civilization created by people's hands—A tribute to all workers

Source:CCTV.com 30-04-25 10:55 Updated BJT
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From a single chip to a high-speed train, from the deep sea to the vast cosmos, the Chinese people use their knowledge and sweat to shape China's future. Happy International Workers' Day! Salute to every worker.

Editor: Donghanyang
30-04-25 10:55 BJT
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