Detailed text transcripts for TV channel - DW - 20190727:09:46:00
He co-founded the. association in 1997. around 8 meters below the surface on of this new scene have spent he is clearing tens of thousands of cubic meters of rubble. now visitors can explore a former brewery salad and an escape tunnel arnold got inspired to explore their lives up to ground in paris. when i was studying urban regional planning in 1988 i got to know some parisian urban planners that's how i met a bunch of people who explore parisian catacombs there were 3 rival groups. i helped one carry out measurements and accompany them for 2 days that got me hooked when i returned to berlin ...