Two sinkholes opened in Busan’s Sasang District on consecutive days, both within close proximity to construction sites for ...

A recent string of underground accidents has exposed serious flaws in Korea's management of subsurface infrastructure. From tunnel collapses to sinkholes, the incidents are prompting renewed concern ...

Underground systems are easy to ignore — until they fail. What is clear is that Korea’s underground requires more than just ...

A subway tunnel under construction near Seoul collapsed on Friday, leaving two workers presumed to be trapped at the site, officials said ...