Alice Yao is Associate Professor of Anthropology at the University of Chicago. An anthropological archaeologist, she is the author of The Ancient Highlands of Southwest China (2016). Her decade-long collaborations with Chinese archaeologists have resulted in the uncovering of ruins of indigenous societies and Han administrative towns in Yunnan, which was recognized as one of the top ten archaeological discoveries in 2022. Wengcheong Lam is Associate Professor in the Department of Anthropology and the Department of History at the Chinese University in Hong Kong. An archaeometallurgist, he is the author of Connectivity, Imperialism, and the Han Iron Industry.