"Aren't they all dumb, though?" Korra shrugs, following Raph's lead and barging forward. She makes a careful, quick stomp down to the ground to try and yank up a chunk of the ground, and...

...well, she makes a small bulge in the asphalt, and promptly stumbles forward as if she'd just lost her grip on something before turning around to gawk at the bump.

"What the heck is this road made of?!"