Recycle water, water drop from rg1024(http://openclipart.org/detail/20448/set-of-water-drops-by-rg1024) and recycle clip art from egore911(http://openclipart.org/detail/27073/recycling-by-egore911) 水 savem 循环 问题 循环水
Save water save earth: Water drop from rg1024(http://openclipart.org/detail/20448/set-of-water-drops-by-rg1024) and hand clip art from Anonymous(http://openclipart.org/detail/25610/calligraphy-by-anonymous-25610) 水 保存 回收站 节约用水