Year of the Dragon 1-3 is the third level of the episode, Year of the Dragon in Angry Birds Seasons.
Strategy
Shoot the Red Bird towards the first pig and the firework, causing the firework to destroy the left base of the leftmost structure. Then use Black Bird and Big Brother Bird to finish off the right structure.
Video Walkthroughs
See http://www.angrybirdsnest.com/angry-birds-seasons-year-of-the-dragon-level-1-3-walkthrough/