215K views · 276 reactions | This concept video by Virgin Hyperloop gives us a glimpse into what the future of mass transit might look like. | CNET | Facebook

From above, it almost looks like the engineer took a wrong turn — but this looping track is actually one of California’s greatest feats of railroad engineering. 🚂💡 This is the Tehachapi Loop, built in the 1870s to help trains climb the steep grade between Bakersfield and Mojave. Instead of going straight up the mountain, engineers designed this massive spiral so long trains could cross over themselves as they gained elevation. When a full freight passes through, you can literally watch the fro