The cause of the sinkhole that formed in the city of Yashio, Saitama Prefecture, in January 2025 was corrosion in a sewer pipe, an investigation committee comprising experts said in its final report on Thursday. https://www.japantimes.co.jp/news/2026/02/20/japan/pipe-corrosion-saitama-sinkhole/?utm_medium=Social&utm_source=mastodon #japan #saitama #yashio #sinkholes