English language news:

Traversing the Yangtze, the Shangyuan Men Railway Crossing, 20.4 kilometres long, costing ¥29.2 billion and taking 6 years to build, saw work begin on 30 June.

https://www.thenanjinger.com/jiangsu/briefings-from-jiangsu/construction-begins-on-nanjing-station-to-nanjing-north-station-tunnel-link/