China retrieves rock samples from 9,900 meters underground 1

For more: The Shendi Ta’Ke-1 well, China’s first 10,000 meter scientific borehole, reached a depth of 9,900 meters on Tuesday, setting a record for the deepest well in Asia. #china #xinjiang Subscribe to us on YouTube: Download our APP on Apple Store (iOS): Download our APP on Google Play (Android):