Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Freezing temperatures and wetness during winters are also important as the power of freezing water in cracks are so great.


Yes, generally this is true, but for the special case in Switzerland is it not, because the cracks are so deep underground (several hundred feets).




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: