Question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Shanghai Expo Mart -  The Shanghai Expo Mart (Chinese: 上海世博会展中心; IPA: [ʂɑŋ4xaɪ̯3 ʂɨ4pu̯ɔ2xu̯eɪ̯4 tʂan3 tʂʊŋ1ɕin1]?) formerly the Africa Joint Pavilion (Chinese: 非洲聯合館) is an exhibition hall near the Huangpu River in Shanghai China. The hall was originally constructed for Expo 2010 and consists of 21000 square metres (230000 sq ft) of indoor area and 3600 square metres (39000 sq ft) of outdoor space. The hall underwent renovation after the expo with renovations finishing in November 2011.
Answer:
Building