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. Mercury City Tower - Mercury City Tower (Russian: ) is a 75-story skyscraper currently under construction in Moscow. Located in the Moscow International Business Center construction started in 2009. The building topped-out at 338.8 m (1112 ft) on 1 November 2012 overtaking The Shard in London as Europe's tallest building.
Building