HyoYoung and Dani, casts of KBS2 drama "School 2013," were caught in traffic because of snow.

After checking the forecast, HyoYoung and Dani left a few hours earlier today to go to 'School 2013' filming site. But because of the severe snow, many streets of Seoul were jammed, keeping them in the car for a long time.

They parked on the side to take a break in between, having a snowball fight to enjoy their boring car ride.

Photo Credit: Online Community