楼兰、龟兹曾经辉煌一时的西域古国，在一片片枯死的胡杨的悲哀中被汹涌而来的黄沙永远地埋葬了。
B-Location I-Location O B-Location I-Location O O O O O O O B-Location I-Location I-Location I-Location O O B-Metric I-Metric I-Metric O O O B-Thing I-Thing O O O O O O O O O O B-Thing I-Thing O O O O O O O