The Richat Structure, also known as the Eye of the Sahara or blue eye of Africa, is a peculiar geological formation in the Sahara desert in Mauritania near Ouadane. Due to its size, the Eye is visible from space and it is a landmark for astronauts, helping them to realize thei position over the vast 3,600,000-square-mile desert.
The new Tilikum Crossing Bridge in Portland, Oregon began testing its new ambient lighting system last Thursday and Friday. Morgan Barnard, Douglass Hollis, and Anna Valentina Murch designed the LED light system to change colors according to the data streamed from the U.S. Geological Service river monitor near the Tilikum Crossing Bridge. Those living in the area or using the bridge will not only see the light system change colors throughout the day, but they will also witness large changes in color throughout the course of the year as the time of year affects the river’s speed, temperature, and height.
On Friday October 17th, 25 years have passed from the devastating - magnitude 6.9 - Loma Prieta earthquake. To commemorate the 25th anniversary of the earthquake, which killed 63 people and left thousands homeless, events were organized across the Bay Area.
Visitors to the Burj Khalifa in Dubai can now pay to ride to the 148th floor to get an even more elevated view of the surrounding area from the new observation deck located 1,821 feet above the ground. The recently opened observation deck set the Guinness World Record for the world’s tallest observation deck and offers views from about two thirds of the height of the buildings overall height. It beat out the Canton Tower in Guangzhou, China for the distinction. The new area was built 24 floors higher than the buildings previous highest observation deck on the 124th floor. The existing observation deck attracted 1.9 million visitors last year who payed to take in the amazing views of Dubai and the surrounding area.
Three Slovakian hikers claim to have found an unexplored cave, while walking in the forest close to the village of Borka in Slovakia. One of them, photographer Robert Nemeti took pictures from inside the cave, which are presented in the photo gallery below!
This week marks a milestone in the Elizabeth River Tunnel project in Virginia. The project is one of the largest infrastructure projects occurring in the U.S. right now. It will place a two lane tunnel next to an existing tunnel connecting Norfolk and Portsmouth, Virginia and thus double the tunnels capacity and reduce commute times. SKW Contractors team, a joint venture between Skanska, Kiewit, and Weeks Marine, are overseeing the public-private partnership project and are responsible for submersing eleven 16,000-ton hollow concrete elements into a special trench at the bottom of the Elizabeth River.
The Transbay Transit Center, a $4.5 billion project in the Bay area, involves transportation and housing that creates a "Grand Central Station of the West". Once completed, the new hub will connect eight Bay Area counties and the State of California through 11 different transit systems. With the excavation, earthwork, and dewatering project for the Transbay Tower already in progress, Nicholson Construction was awarded a contract for the construction of critical foundation elements of the new bus ramp for the Center. Read more on this exciting project!