Please answer the following question: Icehouse Bottom - Icehouse Bottom is a prehistoric Native American site in Monroe County Tennessee located in the southeastern United States. Native Americans were using the site as a semi-permanent hunting camp as early as 7500 BC making it one of the oldest known habitation areas in the state of Tennessee. Analysis of the site's Woodland period (1000 BC - 1000 AD) artifacts shows evidence of an extensive trade network that extended to as far away as Georgia North Carolina and Ohio. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Building