Please answer the following 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. Baku State Circus -  Baku State Circus (Azerbaijani: Bakı Dövlət Sirki) - is the main arena circus of Baku capital of Azerbaijan.In 1945 a collective of Azerbaijani circus was organized in the Azerbaijan SSR it included estrade actors who performed tricks in the circus and amateur participants with artistic skills.Famous Azerbaijani composers poets ballet masters and artists worked along with the collective of the circus.
A:
Building