What's nearly 7 feet high, 25 feet wide, 72 feet long, and can carry up to 300 passengers?
It's China's electric-powered Transit Elevated Bus (TEB), which straddles cars on the street and lets them drive right through. The bus can muster 37 mph running on rails built outside traffic lanes. Four TEBs can be linked together to handle rush hours. You can read the full story from the BBC and see more photos here.