The secret to world's priciest tea

PA

A Chinese entrepreneur believes he has discovered the key ingredient to produce the world's most expensive tea – panda poo.

It is reported that An Yanshi, a former calligraphy teacher, will sell the first batch of tea leaves that have been fertilised with panda faeces in the spring at almost 220,000 yuan ($35,000) for 500 grams (18 ounces).