在满山遍野的乱石丛中，不难看出处处留下了古生物的足迹与化石，它们如珍珠般镶嵌在奇峰怪石之中。
O B-Location I-Location I-Location I-Location O B-Location I-Location I-Location I-Location O O O O O O O O O O O O O O O O O B-Thing I-Thing O B-Thing I-Thing O B-Thing I-Thing I-Thing O O O O O B-Thing I-Thing O O O