A poster In iranian style focused on cold climates. Dimensions: A3, featuring cool colors (such as blue, white, gray, and soft green) to convey a sense of coolness and calm. The poster design includes emphasizing climatic and architectural concepts. Use images related to architecture in cold regions ). Texts should be displayed in simple and modern fonts (like Sans Serif) with contrasting colors for better readability. The overall design should be , visually appealing, and incorporate sufficient negative space.