A great work with more than 500 entries, accompanied by plans and photographs, and a documentary appendix on the historical Valencian irrigation system make this eThe culture and heritage of a city are distinctive signs that give it uniqueness, define its identity and condition its future. Sometimes, such an obvious thing is forgotten when interventions are made on the architecture and urban morphology of the past, so that we lose an important part of the roots of certain places. Architectural works that were designed with a very definite objective, alter their meaning after renovations in which spatial reorganisation prevails. For example, the space next to the baroque façade of the cathedral of Valencia changed significantly after the opening of the space now known as Plaza de la Reina; and the demolition of the city wall in 1865 completely transformed the urban image of the city and, with it, its historical perception. The work presented here proposes to analyse the shaping of the cities in the different stages as a means of recording, conserving and understanding.dition, a reference work for studies of hydraulic heritage.

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