Eastern Promenade -  The Eastern Promenade (Eastern Prom) is a historic promenade 68.2 acres (27.6 ha) public park and recreation area in Portland Maine. Construction of the Promenade began in 1836 and continued periodically until 1934. The 1.5 miles (2.4 km) park was designed by the Olmstead Brothers design firm and experienced its greatest expansion from the 1880s to the 1910s. The Promenade rings around the Munjoy Hill neighborhood and occupies the farthest eastern portion of Portland's peninsula. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Building