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. PVN Tower - PVN Tower is a proposed skyscraper project that will be built in Hanoi Vietnam. The Ocean Bank and Petrovietnam Construction Corporation publicly declared this project on May 7 2010 in Hanoi. It will be a 102-story tower and is expected to be the tallest building in Vietnam. The estimated investment cost will be more than $ 1 billion.
Answer:
Building