Answer the following question: Katy Mills is an outlet shopping mall in Katy Texas (USA) within the Houston–Sugar Land–Baytown metropolitan area developed by The Mills Corporation and now owned by Simon Property Group. The mall opened on October 28 1999 and hosts a variety of over 200 specialty stores. Katy Mills has about 1.3 million square feet (0.12 km²) of retail space. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Building