© Provided by Xinhua XINING, Oct. 15 (Xinhua) Yulrabgye, 24, a Tibetan herder from northwest China Qinghai Province, once thought that yak milk had
© Provided by Xinhua XINING, Oct. 15 (Xinhua) Yulrabgye, 24, a Tibetan herder from northwest China Qinghai Province, once thought that yak milk had