该地原系欠发达地区，居民并不富裕，住房多为砖木结构的平房，拥挤、潮湿。
B-Location I-Location O O O B-Location I-Location I-Location I-Location O B-Person I-Person O O O O O B-Thing I-Thing O O B-Thing I-Thing O O O B-Thing I-Thing O O O O O O O