Cave trivia: manually excavating the deepest hole

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…
Hotel trivia:The deepest hotel in the world?

Hotel trivia:The deepest hotel in the world?

We have seen various hotels, dirty and smelly and sturdy little hotels that people dare not lie down,…