Beneath your feet. If there is an earthquake, i would want to be here. Inside San Franciscos new subway tunnel in 20 years. Youre looking at what will eventually extend the mtas tline by 1. 8 miles and hopefully easing traffic above and a walkthrough by San Francisco mayor. We are well on our way to opening this city up in 2019 and really having a solution a concrete solution to the congestion that we already see in the city. Reporter the concrete down here is the most fascinating. Its roughly 11 inches thick and 18 feet in diameter on the inside, not one piece, but 1,750 rings as they call them with five sections east. This is the northbound channel dugout by a massive machine they named nick alma. This was from a fan formation and saturated with the table. Hence a little bit of seepage which will always be here, but what a place. Tunnel takes certain parts of the job for granted and they have to hit a mark. This is 8,450 feet, 1. 7 miles and at the other end they had to hit a bullsey
See Pioneer Photographer William Henry Jackson's Spectacular Photos of America's Natural Wonders theepochtimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theepochtimes.com Daily Mail and Mail on Sunday newspapers.
If you’ve ever bought a calendar or coffee table book featuring the grandeur of Colorado’s 14’ers, the stunning color photographs were almost certainly by John Fielder.