The "Caixa D'Água Velha" is an old water reservoir located in São Paulo, Brazil. Built in the late 19th century, it was designed to supply water to the growing population of the city. The structure is notable for its historical architecture and engineering, reflecting the urban development of that era. Today, the Caixa D'Água Velha is recognized as a cultural heritage site. It serves as a reminder of the city's past and the importance of water management in urban planning. The site attracts visitors interested in history and architecture, contributing to the preservation of São Paulo's historical landmarks.