natural reserve wallpaperProviderpixabayResolution1995 × 3000Aspect ratio0.67:1AuthorKathas_FotosSourceOpen original page Download wallpaper Available sizesPreview100 × 150Web425 × 640Large1995 × 3000Tagsnatural reservesigndunenorth seadune protectionenvironmentnatureenvironmental protectiona noticebaltic sea protected area