China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City of east China's Jiangsu Province on Tuesday, for the Chongming-Taicang Yangtze River Tunnel project. #Trending #ChinaInnovates | CCTV

A massive Tunnel Boring Machine moves steadily through solid rock, cutting and grinding its way underground. The rotating cutter head breaks the rock face, while the machine simultaneously supports the tunnel walls and removes excavated material. A clear example of the scale, precision, and controlled power behind modern underground tunneling — where planning, machinery, and engineering work together below the surface. ⚠️ Disclaimer: This video clip is used under Section 107 of the Copyright Act