市区规划拆迁，父母另寻了居所，父亲先期把几棵桂花树移栽到新居的阳台前，棵棵都成活了。
B-Location I-Location O O O O O B-Person I-Person O O O B-Thing I-Thing O B-Person I-Person O O O B-Metric I-Metric B-Thing I-Thing I-Thing O O O B-Location I-Location O B-Location I-Location I-Location O O O O O O O O