Tile Number: 3829U
This monument is an exclusive promo tile available during the Cannes Games Festival in France (Feb 26 to Feb 28 2016).
Source: Website DoW
This tile was also available during Spiel'16 in Germany (Oct 13 to Oct 16 2016.
In Quadropolis, Monuments are rare buildings that allow you to score victory points when placed next to parks, shops, or public services. Be careful though, because placing them next to harbors or factories would only bring you negative points! They are only used in the Expert Mode, along with Office Towers.