On March 25, a motorcyclist was killed when a massive sinkhole—20 meters wide and deep—suddenly opened in the Gangnam area of Seoul. Experts are raising alarms about the city's aging sewer systems and expanding underground infrastructure, which may be contributing to increased ground instability. Nearly 30% of Seoul’s sewer pipelines are over 50 years old. Ongoing tunnel construction and dense underground networks add pressure to an already stressed subsurface. City officials are investigating and assessing future risks. Read more: https://www.geoengineer.org/news/seouls-underground-infrastructure-raises-ground-stability-concerns #Seoul #sinkhole #infrastructure #urbanplanning #Geoengineering #southkorea #disasternews #tragedy # RiskAssessment Credits: @KOREANOWyna @Thrivenew @theind Show more