One man's trash is another man's treasure. So is this picture trash or treasure? I guess it depends on the man. Reuse, recycle. Sure it could save the planet, but mostly it's cheap.
垃圾或寶藏
cardboard、collection thumbnails、filter saturize、upload2openclipart、vectorized
紙板、集合縮略圖、過濾飽和、upload2openclipart、矢量
資料來源：openclipart ( https://openclipart.org/ )