hạ long wallpaperProviderpixabayResolution4160 × 3120Aspect ratio1.33:1AuthorThinhLaSourceOpen original page Download wallpaper Available sizesPreview150 × 112Web640 × 480Large4160 × 3120Tagshạ longvịnh hạ longvietnamhalonghalongbaynaturetravellakewaterpanoramic