Downtown Houston has a big underground tunnel system connecting building so people don’t have to walk outside. The first big plan to reduce flooding in Houston

Downtown Houston has a big underground tunnel system connecting building so people don’t have to walk outside. The first big plan to reduce flooding in Houston was to create tunnels similar in size to the ones under Tokyo to funnel water from Houston area to gulf. https://www.houstonchronicle.com/news/houston-texas/environment/article/A-30-billion-vision-to-build-eight-massive-flood-17247151.php https://www.houstonchronicle.com/news/houston-texas/environm...