
seabenhengste-hogant-holle

swittsarlandil, thann thadaakathinu vadakkulla bernn kantonil, eris, habkern graamangalkkidayil sthithi cheiyunna oru guhayaan seabenhengste-hogant-hole. irsersonian chunnaambukallu roopeekaranathil (aptian yugam) roopappetta guha shringhala.
1966ll swittsarlandile nyoochaattel kantonile laa chauks-dii-fondsile oru speliology klabbaya club jurassian aanu guha aadyamaayi paryavekshanam cheythath, athinte 42 praveshana kavaadangalil moonnennam kandethi. vividha praadeshika guha clubbukal pinneedu paryaveshanangal nadatthi.
2019ll, 164.5 kilometer vikasanamulla lokathile panthrandaamatthe neelam koodiya guhayaayirunnu ithu. 1, 340 meter aazhamulla lokathile 26-aamathe aazhameriya guha koodiyaanithu.

