Officials at the Metropolitan Water Reclamation District urged people to put off chores like washing dishes or doing laundry ...

Deep underground, a construction crew is hard at work. They are digging a two-mile-long tunnel to help keep millions ... the United States have similar sewer systems with just one set of pipes ...

HS2's first deep tunnel, which took 15 months to dig and is under ancient Warwickshire woodland, has reached a construction milestone. Civil engineering works, including concrete finishing works ...