Giant death holes around the world

Whether born under the impact of nature or man-made, death-dwellings covering large areas around the world remain a potential danger to humans.

1. From "death hole" in Thanh Hoa discovered caster cave
2. Giant deathhole in Russia
3. Terrifying pitfalls of "invasive" death worldwide

Death pits all over the world

Death squares in Perm, Russia, are getting bigger and bigger.It appears when a potassium carbonate ore collapses at the end of 2014. Currently, this death hole is 125m long, 122m wide and 75m deep.(Photo: Uralkali Press ervice / Odnoklassniki).

In May 2010, a large round hole of 66m wide, 30m deep suddenly appeared, "swallowed" a three-storey building with another house in Guatemala.Authorities said the cause of the hole appears to be due to heavy rains under the influence of Tropical Storm Agatha.(Photo: Luis Echeverria / AP).

In December 2014, a 12m-wide death pit suddenly appeared under the Corvette Museum in Kentucky, USA, accompanied by 8 Corvette cars, including a special production version of 1992 White 1 Millionth Corvette.(Photo: REUTERS).

In December 2001, a Waihi, New Zealand house, was pulled down into a 50m-wide pit, 15m deep, formed by the old mine collapsed at midnight.(Photo: Dean Purcell / AP).

This 20m-wide deathhole formed after a night in the home of a family in southwestern Leshan district of Sichuan province, China, in January 2011.Zhang Fengrong, the landlord, and a few relatives, tried to measure the depth of the pit with a rope tying heavy metal, but after they used up 40 meters of rope, the item still did not touch the ground.(Photo: Quirky China News / Rex Features).

Deathhole formed on Guang Yuan village ground in southwestern Sichuan province, China.The existing pit has a diameter of 24.9m.Residents are worried that it will continue to expand and devour houses nearby.(Photo: AFP).

Darvaza's hell gate is located in the Karakum desert, Turkmenistan, is a huge gas pit.This strange hole has been burning for over 40 years.It was discovered by Soviet geologists in 1971 when the ground beneath their drilling equipment suddenly collapsed, creating a hole with a diameter of 70m.Because in the pit filled with toxic natural gas, scientists decided to fire the hole and hoped the fire would turn off after a few days, but it still exists today.(Photo: Amos Chapple / Rex Features).