Underground travels

The beginning is here

Adventures of Moscow cavers in Leningrad region - continued
 
One of the famous "Field of wonders" quarries
We are crawling inside. So far so narrow.
  Now it is possible to stand.
Paul makes a report.
  Now let's move 150 km to the east.
It's time to move...   Quarries at the Syas river. It's not a fake photo, I promise.
It looked like this.
 
Syas also. Just a high and nice quarry.   Yuri Dolotov performs a survey.
This is a roof hold. It is intended for roof holding. But the roof stands by itself, so these logs obviously failed to do its job.

The beginning is here

Underground travels