Final answer:
Changes seen in photographs from 1913 to 2012 are due to technological advancements in photography, urban development, societal shifts in fashion and lifestyle, and environmental changes affecting landscapes.
Step-by-step explanation:
The changes observed in the photograph of 2012 compared to 1913 can be attributed to a variety of factors, including technological advancements in photography equipment and techniques, urban development and changes in infrastructure, societal or cultural shifts influencing fashion and lifestyle, and environmental changes impacting landscapes or surroundings. The quality and style of a photograph can drastically change with improvements in camera technology, reflecting advancements in clarity, color, and composition. Urban development can alter the physical construction and appearance of buildings, roads, and public spaces. Societal changes might be noticed through variations in clothing styles, representation of different activities, or the presence of new types of vehicles. Lastly, environmental changes might include the growth or removal of trees, changes in land use, or the impact of natural disasters.