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…
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…
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…
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…