2 ms·

Think of it the other way around: cars don't drive underneath, but the bus drives above the stationary cars in the congested metropolis.

• cglee 16y ago
  The congested cars in China aren't neatly stacked in their lanes.
• cake 16y ago
  Took me a while to understand the concept because of this confusing title. I first thought those buses would move the cars around, like giant ferrys.