一座木制的小桥镶嵌于两山之间，在深秋的旷野中，如同挂在天边的彩虹。
B-Metric I-Metric O O O B-Thing I-Thing O O O B-Location I-Location I-Location I-Location O O B-Time I-Time O B-Location I-Location I-Location O O O O O B-Location I-Location O B-Thing I-Thing O