Cities are living archives, visual memories capturing the continuous flow of time. Each era leaves its distinctive mark, each corner tells a story, revealing the layers and temporal imprints left by those who helped shape these territories. Face to face, Beaumont-Sur-Oise and Persan, located in the north of Île-de-France near Paris, are two bordering towns separated by the Oise river and joined by a bridge. One is a multi-millennial city, the other is marked by the contemporary issues of a recent city. In the Middle Ages, Beaumont-Sur-Oise developed, becoming a major place of exchange between Paris and Beauvais, it also housed one of the residences of King Louis IX in the 13th century. In 2022, the city celebrates the millennium of its county and its castle, around which the current city center was built. Persian, for its part, developed more recently, thanks to the railway and the industrial boom of the 19th century. Its population and urban planning continue to expand and place it at the center of trade, at the gateway to Île-de-France and Picardy. Long ruled by the Communist Party, this working-class and mixed city experienced, like its neighbor, the tremors of the Traoré affair, a significant event in the recent history of the two cities. Today, Persan and Beaumont are united on the SNCF panel of their common station, terminus of line H which connects them to Paris. Seen from the sky and in the eyes of many people who frequent them, they seem to form a single city, surrounded by fields. I grew up near these two cities and for many years, I observed, at different paces, the dynamics of their urban developments. I looked at them with this desire to discover their stories, hidden or visible. I drew a subjective map of these places, exploring on the one hand, the past and the traces of its history, its vestiges, artifacts and medieval festivals. And on the other, the present and its political, social and economic uncertainties, on an individual or collective scale, which are the fruit of these marginalized and poorly represented suburbs, most often from immigrants or working classes. The aim is to better understand the history and evolution of these territories by observing these elements, left as clues to be found. In this work with multiple stories emerges the portrait of these two cities, both political and poetic, which documents as much the details, the landscapes, the streets as the inhabitants, the workers and the young generations who are building these cities today, throughout history and in the difficulty of current concerns. By photographing strangers, friends and loved ones, between private lives and urban spaces, I wanted to understand how these people looked at these territories and how they were part of them. “Kingdoms of Uncertainties” is a project which explores the way in which territories and cities are marked by different temporal periods and which questions our way of seeing and experiencing cities. How do past and present merge in territories through social, cultural and political themes, and through the links that residents maintain with them? What role is more crucial than photography in remembering these clues, human or not, hidden in cities?