osperity in the 16th and 17th centuries. Built on the steep slopes of a narrow valley, the town has breathtaking views and there are many old buildings, both religious and civil. The cathedral, built between 1730 and 1760, dominates the centre of the town. It is notable for its harmonious design and the Baroque profusion of its facades, where European and indigenous decorative elements are found side by side."
Zacatecas has had a number of earthquakes since the colonial period. The last occurred in 1995 and caused minor damage.
21st century
In 2009, the city council approved the logotype of the new administration with includes the Virgin of Zacatecas image. However, since then it has been claimed that the new logo violates Article 5 of the Zacatecas constitution and Article 10 of a law called Bando de Policia y Buen Gobierno. Another objection is that the new seal contains the colors yellow and black, those of the political party of the municipal president The city has grown to the point where houses now balance on the edge of a creek and over the mounds of waste from mines. This is possible due the lack of regulation and urban planning by authorities. Irregularities exist in 85% of the city's neighborhoods but the neighborhoods of Lazaro Cardenas, Minera, CNOP, Lomas de la Pimienta, Benito Juarez, Gonzalez Ortega have the largest number of them. Many of these buildings have structural and infrastructure problems such as flooding during rains and the damage this