Number zero survey marker of the city of São Paulo
Sé District, Brazil · built 1934
Marco Zero (Zero Milestone) is a geographic monument in downtown São Paulo. In 1934, the marble milestone was installed in front of the São Paulo Cathedral on the Praça da Sé to symbolize the center of the city. The sculpture is a both a tourist attraction and a central point of reference for street numbers in the city. Marco Zero has been registered for historic preservation since 2007.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).