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

Here is a place (San Agustín sump) that takes 3 weeks to get to from the cave entrance: https://en.wikipedia.org/wiki/Sistema_Huautla


> In 1994, during a 135-day expedition of 44 people ...

wow




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

Search: