sinkhole

Mystery of dozens of giant circular structures at the bottom of Lake Michigan
The Great Lakes Environmental Laboratory (GLERL) of the National Oceanic and Atmospheric Administration (NOAA) has confirmed the existence of about 40 mysterious circular
Climate change puts Southeast Asia at risk of 'sinister pit'
Many experts say that climate change makes countries in the Southeast Asian region face more risks stemming from sinkholes.
Horrifying photos of volcanic eruptions in Iceland
A volcano in Iceland is currently erupting after weeks of earthquakes rocked the area, the Icelandic Meteorological Office said.
7 mysterious death holes on Earth
Many mysterious lands in the world are thought to be the gateway to the afterlife, from a permanent fire pit in Turkmenistan to the sinking holes in Mexico.
Discover 57 new caves in Quang Binh
On June 22 at the hall of Quang Binh Provincial People's Committee, Howard Limbert, head of the Royal Cave Expedition in Vietnam announced 57 new caves that have been discovered
The mysterious death hole appeared in Russia
A 32-meter-wide deep hole appears in Nizhny Novgorod, one of the places where the 2018 World Cup has just taken place.