Pu-erh tea

„Depending on the desired product and speed, from quickest and tightest to slowest and loosest, pressing can be done by a large heavy stone, carved into the shape of a short cylinder with a handle, simply weighs a bag of tea down onto a wooden board. The tension from the bag and the weight of the stone together give the tea its rounded and sometimes non-uniformed edge. Due to the manual labor involved, this method of pressing is often referred to as: "hand" or "stone-pressing", and is how many artisanal pu'er bǐng are still manufactured.“

„After ini­tial taste and aroma, the first thing tea drinkers are likely to focus on is known in Chi­nese as 回甘 [huí gān]. In Eng­lish, a near lit­eral trans­la­tion is “Return­ing Sweet­ness,” but we can think of this loosely as after­taste. You can expe­ri­ence this clearly in most good teas, and prob­a­bly already have. In the best teas, though, the taste can go on for hours.“