Signature Towers (formerly known as Dancing Towers) is a proposal for a three-tower mixed-use complex in Dubai United Arab Emirates. It was designed by Iraqi born architect Zaha Hadid after winning an international design competition which included proposals from OMA and Reiser & Umemoto among others. The developers are Dubai Properties the company responsible for the earlier Jumeirah Beach Residence. 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?
A:
Building