An Yanshi, the creator of "panda tea", shows samples of the tea on Monday in Chengdu, Sichuan province. The samples are to be taken to the Beijing Luxury Products Exhibition and Charity Auction. An will bring 11 sets of panda tea to put up for auction. They will have a starting price of 20,000 yuan ($3,168) each. Panda tea is grown using giant panda excrement as a fertilizer. The tea costs 420,000 yuan per kilogram, making it the most expensive tea in the world. [Photo/China News Service]