3 ms·
Here’s what is blocking Bertha, the world’s largest tunneling machine
- gus_massa 13y agoPrevious report of the incident (with less information, but interesting comments) https://news.ycombinator.com/item?id=6939710 https://news.ycombinator.com/item?id=6939710 (128 points, 15 days ago, 72 comments)