The Obelisk of Montevideo, officially listed as the Obelisco a los Constituyentes de 1830, is a monument, work of the sculptor José Luis Zorrilla de San Martín (1891-1975). It is a three sided obelisk made of granite, 40 metres tall with 3 bronze statues on its sides, representing "Law", "Liberty" and "Force". It has a hexagonal water fountain around it with six spheres on its outer circumference. It is located at the intersection of 18 de Julio and Artigas Boulevard avenues, in Montevideo, at the entrance of the Parque Batlle area. It was built in 1930 to celebrate the 100th anniversary of the first Constitution of Uruguay and is a hommage to the participants of the General Assembly of the first Constitution.