Liding food vessel, 12th-11th century BCE, 8 1/8 × 6 3/4 × 6 3/4 in., 5.1 lb. (20.64 × 17.15 × 17.15 cm, 2.3 kg)6 5/16 × 6 3/8 in. (16.03 × 16.19 cm) (object part, mouth), Bronze, China, 12th-11th century BCE, The prototype of the bronze vessel known as li was a coarse pottery version of the same shape and name, made in the later Neolithic period (c. 3000-2000 BCE). These pots served as cooking vessels, mainly for porridge, and featured three prominent hollow legs shaped like pointed lobes. These hollow legs formed an extension of the interior cavity and were designed to expose the contents of the pot to heat most effectively. The lis shape was adapted to bronze in the Shang dynasty (c. 1600-1046 BCE) and continued into the Zhou (c. 1046-256 BCE), but with thinner legs. The vessels function also shifted from a cooker to a container for meat. In this example, low, narrow flanges, corresponding to the legs, form the central ridges in taotie (composite animal) masks on a ground of squar