Qinling Zhongnanshan Tunnel
An 18 km twin-tube road tunnel under the Zhongnan Mountains in Shaanxi, reaching 1,640 m below the surface.
Dated events and their evidence
- 2007 CE mainstream
opened source
Where
33.8833° N, 108.9667° E
A rounded point (to one minute of arc, about 1.8 km) on the expressway above the tunnel.
Sources
- https://www.tunnelsandtunnelling.com/risks/tunnelling-progress-over-the-last-three-decades-in-china-11446711/
- https://www.crecg.com/zgztywz/core_business/infrastructure_construction/tunnels/2025021110100819733/index.html
- https://en.wikipedia.org/wiki/Zhongnanshan_Tunnel
Each event carries Aion's own evidence grade (mainstream, disputed or speculative). This page repeats what the globe shows for this place.