ok rangers are in charge of safety inside the cave every day long before the tourists arrive they have to check to see if they've been a collapse on the tourist trail to be sure that everything is fine with the lighting and the general condition of the roof so now everything is fixed the cave is rigorously checked on a daily basis after all one hundred thousand tourists on average visit the cave every year twice the population of congo order. loose rock has been scraped off with the help of this beacon i can observe the process of how the slabs moved down which it would be connotes a crack when such movement occurs now i have to strengthen the gypsum block here. the screw threaded anchor fastens the loose rock to a solid one behind. is believed to be the safest method for the congress cave. because it ensures that the five tons of rock stays on the roof and doesn't fall into the tourist trap stop the cave has been open to tourists for more than one hundred years and it's not seen a single accident in all that time. when i came here as a student and saw all this space and the way ice is

ok rangers are in charge of safety inside the cave every day long before the tourists arrive they have to check to see if there's been a collapse on the tourist trail to be sure that everything is fine with the lighting and the general condition of the roof so now everything is fixed the cave is rigorously checked on a daily basis gypsum block here. the screw threaded anchor fastens the loose rock to a solid one behind. it's believed to be the safest method for the congo or ice cave . because it ensures that the five tons of rock stays on the roof and doesn't fall onto the tourist trap stop the cave has been open to tourists for more than one hundred years and it's not seen a single accident in all that time. when i came here as a student space and the way ice is formed i was struck by the beauty this energy power that ten years have passed and the cave has become a part of my life because. difficult to get through here we are almost there you meanwhile geophysicist your easter bunny off and casts typography nikolai maxim over to have reached the polar grotto boast not only the most bi