A wall mushroom refers to a type of fungus that grows on walls, typically in damp or humid environments. These mushrooms often appear as small, irregularly shaped growths that can range in color from white to shades of brown, yellow, or gray. They thrive in areas with poor ventilation, moisture buildup, or where organic matter is present, such as behind wallpaper, along baseboards, or in cracks and crevices in walls

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拍攝者： Harymantong