中唐时西南山国西藏吐蕃打下唐朝都城长安，大肆掳掠，差一点灭了唐朝。。。历史上唯一一次。。。

来源: wlhelhe 于 2017-11-20 18:42:49 [旧帖] [给我悄悄话] 本文已被阅读：次

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