Q: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. Citibank Plaza - Citibank Plaza is a modern glass and steel office complex in Hong Kong that comprises Citibank Tower ICBC Tower a 3 level basement garage capable of accommodating 558 vehicles as well as a retail podium. With a gross floor area of almost 1600000 sq ft (150000 m2). Citibank Plaza is one of the biggest office complexes in Hong Kong capable of serving a working population of over 10000. At 205 metres tall Citibank Tower reaches up to the 50th floor.
A:
Building