People visit the main venue of 2022 national mass entrepreneurship and innovation week in Hefei, capital of east China's Anhui Province, Sept. 17, 2022.Photo:Xinhua
People visit the main venue of 2022 national mass entrepreneurship and innovation week in Hefei, capital of east China's Anhui Province, Sept. 17, 2022.Photo:Xinhua
People experience holographic imaging technology at the main venue of 2022 national mass entrepreneurship and innovation week in Hefei, capital of east China's Anhui Province, Sept. 17, 2022.Photo:Xinhua
Children look at an intelligent mechanical arm at the main venue of 2022 national mass entrepreneurship and innovation week in Hefei, capital of east China's Anhui Province, Sept. 17, 2022.Photo:Xinhua
People learn about utilization of hydrogen energy at the main venue of 2022 national mass entrepreneurship and innovation week in Hefei, capital of east China's Anhui Province, Sept. 17, 2022.Photo:Xinhua