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. Green Hill Park Shelter - The Green Hill Park Shelter is a historic shelter in Green Hill Park the largest city park of Worcester Massachusetts. It was designed by architect George H. Clemence and built in 1910-11. The Oriental style shelter consists of sixteen fieldstone piers supporting a hip roof with curved eaves and ridge. At its south end is an enclosed area designed for use as a concession stand.
A:
Building