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15 Strangest Holes On Earth
â€¢ From terrifying homeswallowing sinkholesto picturesque natural caverns, we count fifteen aweinspiring planetary cavities!15 â€“ Great Blue Hole, â€¢ An underwater sinkhole located 60 milesoff the coast of Belize. The hole is 300 metres across and 125 metres deep, and is found inthe centre of the Lighthouse Reef. â€¢ The Great Blue Hole formed as a limestonecave during the last ice age. It's believed to have been created by a sea level increase.â€¢ It has unusual stilted stalactites and is part of the Belize Barrier Reef ReserveSystem, which has been declared as a World Heritage Site by the United Nations Educational,Scientific and Cultural Organization.
â€¢ Its circular shape makes it popular amongtourists. Scuba divers frequent this reef because of the rare animal species that residethere. 14 â€“ Udachnaya Pipe,â€¢ The Udachnaya Pipe is a diamond mine in Russia. It was discovered on June 15, 1955,just two days after the discovery of the diamond pipe Mir.â€¢ It is over 600 metres deep and is considered the third deepest openpit mine in the world.â€¢ The mine had estimated reserves of 225.8 million carats of diamonds and an annual productioncapacity of 10.4 million carats. â€¢ The mine was controlled by Russian diamondcompany Alrosa until its operations were ceased
in 2010 in favour of underground mining.13 â€“ German Superdeep Hole, â€¢ Germany's famous superdeep hole wasthe result of the German Continental Deep Drilling Program, one of the most ambitiousgeoscientific projects ever. â€¢ The project's goal was to grant scientiststhe opportunity to study the earth's crust, the effects of stress on layers of rock andobserve any abnormalities along the way. â€¢ The $350 million project, which concludedin 1994, left Windischeschenbach, Germany with a hole 9,100 metres (30,000 ft) deepand as hot as 265 degrees Celsius (509 Â°F). â€¢ The project was also notable for Dutchartist Lotte Geeven's involvement. Geeven
wanted to know what the planet sounded like,so arranged to have a geophone lowered into the hole to record ultrasonic waves. She translatedthe data through a computer program to discover the sounds of the earth, which she likenedto a distant thunderstorm. The sound eerily resembles a heartbeat.12 â€“ The Deluxe Mystery Hole, â€¢ The Deluxe Mystery Hole is a backyardattraction off Oregon's I205 freeway. According to the owner and promoter, it's the mostamazing archaeological site in the state. â€¢ The Mystery Hole's depth has never beenaccurately determined by modern scientific methods, but the consensus is it is very deep.Some speculate it was dug by primitive people;
others think it is a mark of extraterrestrialvisitors. â€¢ The hole's owner â€“ Pastor Barron,leader of the Tunnel People and head of the Universal Church O' Fun â€“ alleges thatthe hole is 5,000 years old, but says that with aliens you can never really be sure.â€¢ Going into the Mystery Hole will expose you to the Enchanting Vapours of Encouragementâ„¢,which is said to cure any illness and bring great financial and romantic fortune. However,a disclaimer informs hopefuls that these vapours won't actually do anything.11 â€“ The Devil's Sinkhole, â€¢ Edwards County, Texas is the home of TheDevil's Sinkhole, a massive underground
limestone chamber with an opening 15 metreswide and a cavern 106 metres deep. â€¢ Visitors are not allowed in this cavern,but, during the summer months, more than three million Mexican freetail bats can be seenflying from the Sinkhole's entrance every night.â€¢ The sinkhole has mysterious origins. Before it was a protected site, this cave was raidedby treasureseekers and artefacthunters. Dart tips and arrowheads have been found theredating back as early as 4000 B.C. 10 â€“ Guatemala Sinkholes,â€¢ In 2007, a 300footdeep sinkhole swallowed a dozen homes in Guatemala, killing two andcausing thousands of residents to evacuate.