车辆云集，游人不绝，盛况非常，令人感慨!看了十丈洞瀑布，又去观览大同镇的四洞沟。
B-Thing I-Thing O O O B-Person I-Person O O O O O O O O O B-Person O O O O O B-Location I-Location I-Location I-Location I-Location O O O O O B-Location I-Location I-Location O B-Location I-Location I-Location O