Mr. Flood said the idea of one of the underwater tunnels in New York City collapsing with him in it had occurred to him more than once, given the infrastructure’s advanced age, “but I’ve ...

About three-quarters of a mile of the tunnel is underwater and built from 12 steel tube sections. Wu suggested some solutions to flooding problems in the city, including “green or gray ...

Miners hailing from Kinneil and Valleyfield collieries in West Lothian and Fife, respectively, could converge roughly 1500ft ...

"Our engineering team created a project alternative, which seeks to prevent Portage Creek flood events from occurring, um, by dropping those flows into an underwater tunnel system or underground ...

Underwater tunnels had people stumped until French-British ... by pressurizing the air in front of the shield to try and stop flooding during construction. Tunneling shields are still used today ...

A major Spanish city and its surrounding areas were brought to a near standstill by floods on Tuesday evening. Videos show ...

A second underwater tunnel beneath the River Shannon in Athlone, linking the town's sewer system from east to west, has been completed.