World’s deepest and largest underground lab goes operational in China stocking 0 16 2023.12.08 10:36 https://youtu.be/PfJOJNQUUkw + 2 中, 세계서 가장 깊은 지하 연구소 가동 시작 Now, for our final story we go to China's Sichuan Province, where the deepest and ...