An aerial view depicts a section of Vila Nova de Gaia, Portugal, overlooking the Douro River

An aerial view depicts a section of Vila Nova de Gaia, Portugal, overlooking the Douro River. In the immediate foreground, a cluster of residential buildings presents a varied state of repair. The most prominent structure features a relatively new, clean orange tiled roof atop a yellow-painted wall with two sets of vertical slat windows, connected to a grayer, rougher-textured section with a single small window. Below this, numerous older buildings display terracotta tiled roofs heavily covered in moss and green vegetation, indicating age and lack of maintenance. Several roofs exhibit signs of significant damage or collapse, exposing wooden structural elements and debris. Overgrown vegetation is prevalent across walls and within courtyards between these structures. In the mid-ground, the wide, gray-green waters of the Douro River flow. Numerous boats are moored or anchored along the riverbank. Prominently featured are multiple traditional "rabelo" boats, characterized by their black hulls and distinctive masts, some with empty barrels on deck. Further upstream, modern tour boats are also visible. Along the river's edge, a paved promenade or roadway is visible, populated by several small, indistinguishable human figures walking. Buildings line this riverfront area, and a cable car line with a support tower is discernible on the far left. The opposite bank of the Douro, belonging to the city of Porto, is visible in the distant background with more urban structures. The sky is overcast, and the lighting is even. No specific interactions between individuals are discernible.