IGN has the first two minutes from Book 4 online and a lot has changed in those past three years!
Rohan: 3 and a half
Legend of Korra Book 4 trailer
⇒ Zuko gifset per episode
s02e13 - The Drill
AVATAR: THE LAST AIRBENDER MEME: [2/2] Avatars - KyoshiOnly justice will bring peace.
We will be together for all of your lifetimes, and we will never give up