Tibeti is a unique post-fermented tea that originated in Yaan. It has been long been traded as a tea brick between China and Tibet. The tea is packed in Kangting and shipped over the caravan routes by yak. ... Found on http://en.wikipedia.org/wiki/Tibeti
1) Fermented tea 
Tibeti is a unique post-fermented tea that originated in Yaan. It has been long been traded as a tea brick between China and Tibet. The tea is packed in Kangting and shipped over the caravan routes by yak. ...