燕山街是一条很小的街道，但不乏人来车往，喧嚣尘上，时而有人叫卖糖果瓜菜，时而有人叫卖古董书籍什么的。
B-Location I-Location I-Location O O O O O O B-Location I-Location O O O O O O O O O O O O O O O O B-Person I-Person O O B-Thing I-Thing I-Thing I-Thing O B-Time I-Time B-Person I-Person O O B-Thing I-Thing I-Thing I-Thing O O O O