FOUR TEENAGERS (15) play football in the street. The noise of SKATEBOARDING WHEELS comes closer and closer. The teenagers stop and listen. They exchange worried looks and hide behind a tree.

• 四个十几岁的小男孩（15岁）正在街上踢足球。滑板轮子滑动的噪声越来越近。男孩子们停下来听着。他们焦急地相互看了看，躲到了一棵大树后。