Jet Engine Powered Water Cannon

Video embedded below.

"It is made from a jet-fighter engine and is capable of spraying 4 tons of water per minute.

The price tag of $456,000 seems to be worth it, as the water is said to blast fast enough to separate fires from their oxygen supply. It has a range of almost 400 feet and can rotate a near-full 360 degrees. And if the firefighting business slows down, China can always deploy the cannon to clean the sure-to-be-megadirty streets of its future megacity."