16ft deep hole has opened in Little Missenden above huge tunnel being dug for HS2

A huge 16-foot deep hole has opened up above a 10-mile long tunnel being built for the HS2 high speed rail line. The hole, which is about 6m (20ft) wide, opened up above part of the Chiltern tunnel in Little Missenden, Bucks. For the latest update click on the link below.

https://www.buckinghamshirelive.com/news/uk-world-news/20-metre-wide-hole-opens-8442928