![Extreme sportsman Jochen Schweizer, left, opens Europe's fastest high tech wind tunnel in Bottrop, western Germany, Friday, March 20, 2009. The flight chamber, which has a diameter of 4.30 meters (14 feet) Extreme sportsman Jochen Schweizer, left, opens Europe's fastest high tech wind tunnel in Bottrop, western Germany, Friday, March 20, 2009. The flight chamber, which has a diameter of 4.30 meters (14 feet)](https://c8.alamy.com/comp/2P8PCTJ/extreme-sportsman-jochen-schweizer-left-opens-europes-fastest-high-tech-wind-tunnel-in-bottrop-western-germany-friday-march-20-2009-the-flight-chamber-which-has-a-diameter-of-430-meters-14-feet-and-reaches-a-height-up-to-17-meters-55-feet-simulates-a-free-fall-speed-of-up-to-270-kilometers-168-miles-per-hour-civilian-visitors-are-not-the-only-one-to-get-a-foretaste-on-parachuting-here-military-special-forces-also-train-in-free-falling-ap-photovolker-wiciok-2P8PCTJ.jpg)
Extreme sportsman Jochen Schweizer, left, opens Europe's fastest high tech wind tunnel in Bottrop, western Germany, Friday, March 20, 2009. The flight chamber, which has a diameter of 4.30 meters (14 feet)
MODSEC Photography Club - The Salto do Itiquira waterfall is located 115 kilometers (72 miles) from Brasília in the Municipal Park of Itiquira. At 168 meters (551 feet) high, it is considered
![Sweden's longest arched stone bridge: The Ostra Bron, or Eastern bridge, in Karlstad. Built in 1811, it has 12 archs and spans 510 feet or 168 meters across the river Klaralven. Stock Photo | Adobe Stock Sweden's longest arched stone bridge: The Ostra Bron, or Eastern bridge, in Karlstad. Built in 1811, it has 12 archs and spans 510 feet or 168 meters across the river Klaralven. Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/01/36/34/52/1000_F_136345262_OI3PSGqybwnbpiCtukM6KX7HGR0jYlnm.jpg)
Sweden's longest arched stone bridge: The Ostra Bron, or Eastern bridge, in Karlstad. Built in 1811, it has 12 archs and spans 510 feet or 168 meters across the river Klaralven. Stock Photo | Adobe Stock
![8W per meter (2.4W per feet) LED STRIP 50 Meters (164 ft) Warm white (3,000K-3,500K) 70 Lumens per watt | LEDRadiant 8W per meter (2.4W per feet) LED STRIP 50 Meters (164 ft) Warm white (3,000K-3,500K) 70 Lumens per watt | LEDRadiant](https://ledradiant.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/z/z/zzs-vtn-02002-32.png)
8W per meter (2.4W per feet) LED STRIP 50 Meters (164 ft) Warm white (3,000K-3,500K) 70 Lumens per watt | LEDRadiant
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