这部电影捕捉到了一对父子的辛酸、无色的世界，他们在明亮的丘陵地带出售彩色气球。最终探索个人悲剧如何影响整个场景。

The film captures the poignant, colorless, world of a father-son duo, selling colorful balloons in a bright and hilly landscape. eventually exploring how a personal tragedy affects this entire scenario.