There is no doubt that at the beginning of the 21st century, economic crisis become one of the reasons for the wallpaper regression. Of course, there are some other reasons, such as the widespread popular of neutral background, gray's sudden popularity. All of these reasons let more people are willing to choose wallpaper in decoration for faster and more convenient.
Natural elements (such as leaves, flowers), large geometrical design elements and medieval elements are lasting factors. For example, the famous interior designer David hicks once chose hexagon wallpaper, which is hottest product till now.
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