Pottery He is one of the more frequently unearthed pottery types at the Sanxingdui site. It features a semi-circular opening at the top and a slightly constricted body with a wide handle on one side. It has three hollow, bag-like legs that are connected to the body, which not only increases its capacity but also facilitates heating over a fire. The pottery he is a type of wine warmer. The large number of wine vessels unearthed at the Sanxingdui site indicates that agricultural production was relatively prosperous at the time, with surplus grain available for brewing alcohol.