Cave trivia:The largest artificial open cave in the world?
The Bingham Canyon Mine is located in Mount Oquim, southwest of Salt Lake City, Utah. The largest copper mine in…
Cave trivia: manually excavating the deepest hole
Don’t just notice that it has a diameter of only 23 cm. The focus is on the unparalleled 12-kilometer depth…
Cave trivia:How deep is the deepest cave in the world?
Humans have been trying to explore the mystery of the earth, to the cosmic sky, to the vast ocean, but…
Cave trivia:Why are the ancients afraid and virgin caves?
Under the control of the ignorance of “God first enjoys”, the ancient Chinese believed that the virginity of a woman…