Here is the question :
WHERE IS THE WORLD’S LARGEST HUMAN-MADE ICE CAVE?
Here is the option for the question :
And, the answer for the the question is :
[STC00983] Although Austria may be home to the world’s largest natural ice cave — the 26-mile-long Eisriesenwelt — Iceland can claim the world’s largest human-made ice cave. It took more than four years and $2.5 million to dig the cave into the thick glacial ice of Langjokull Glacier. The cave reaches around 1,600 feet into the glacier. The idea for the project came from a group of Icelandic businesspeople who wanted to provide tourists the opportunity to explore the interior of a glacier rather than just the surface. The entrance to the cave was opened to the public in 2015, giving thrill-seekers the opportunity to don crampons and experience firsthand the gradual formation of a glacier. There is even a specialized area of the cavern that is equipped to hold events such as weddings, parties, and concerts. This area is comprised of LED-lit ice blocks that are supported by wooden beams. (Talk about making a memorable first impression!)