What are the underground rooms that the pueblos built?

The underground rooms built by the pueblos, known as kivas, served as ceremonial spaces and community gathering places. They are typically circular and have a subterranean structure, symbolizing a connection to the Earth and spiritual practices. Kivas often feature a fire pit, ventilation shaft, and are adorned with symbolic artwork. These spaces played a crucial role in the social and religious lives of Puebloan communities.