00:00The State of Calamity has declared a state of calamity in a country in the country of Brazil.
00:14Many houses and houses have been destroyed due to the collision of sinkholes.
00:20What are sinkholes and why is this happening?
00:25Brother Kim, what is it?
00:31The world of the residents of the town of Buritocupu in Maranhão, Brazil, has almost collapsed.
00:36Their homes have been completely destroyed.
00:42Last week, sinkholes appeared in their area.
00:46A sinkhole is a hole in the ground that is formed when the rock underneath, or the so-called surface rock, melts or dissolves in water.
00:53Surface rocks are often limestones that quickly erode when they are submerged in water.
00:58Sinkholes can also form when the bottom of an underground cave melts or collapses.
01:04This type of sinkhole is called a cenote.
01:08In the case of sinkholes in Buritocupu, it has become more prominent due to the heavy rainfall in the past few days.
01:14Because of the sinkholes, some houses and houses have also been destroyed.
01:18More than 1,000 residents have also been affected.
01:20That is why the municipal government of Buritocupu has declared a state of emergency.
01:25Here in the Philippines, several sinkholes have also been discovered.
01:28Like this one that collapsed on Salis Road in Pasay last year.
01:32This is the result of a water leakage in a pipeline.
01:35Motorists traveled to Hilabangan, Samar to excavate a sinkhole along the National Highway in Barangay Osmeña just last month.
01:44But do you know where the biggest and deepest sinkhole in the world can be found?
01:49This is the Xiaoshai Chongqing or Heavenly Pit in Chongqing, China.
01:54Always remember, it is important to know.
01:57I am Kuya Kim and I will answer you 24 hours a day.
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