AI. Tech. The next evolution. on Instagram: "China has completed the Shenzhen–Zhongshan Link, a 28-kilometer mega corridor combining bridges, artificial islands, and a 6.8-kilometer underwater tunnel beneath the Pearl River Estuary. This eight-lane immersed tube tunnel, one of the widest ever built, cuts travel time between Shenzhen and Zhongshan from nearly 2 hours to just 20–30 minutes, transforming regional mobility, logistics, and economic integration. Engineered with prefabricated tunnel se