As noted by a member of the Czech speleological society Dmitry Elbow, the opening can greatly help in the study of the karst region.
In the Moscow Domodedovo found karst cave with a length of 151 feet. It was the longest such cave in the area.
Karst caves are cavities that occur beneath the earth’s surface due to erosion by water rocks. They form stalagmites and stalactites.
As noted by a member of the Czech speleological society Dmitry Elbow, the opening can greatly help in the study of the karst region, which at any moment may manifest itself in the most unexpected places, which is a problem during construction.
