A visitor looks at a pilotless helicopter at an exhibition to mark the 2021 National Mass Innovation and Entrepreneurship Week in Beijing, capital of China, Oct. 19, 2021. The 2021 National Mass Innovation and Entrepreneurship Week was opened on Tuesday. (Xinhua/Ren Chao)
China holds mass entrepreneurship and innovation week
Source: Xinhua| 2021-10-20 12:34:04|Editor: huaxia