In honor of the first day of 2015, please share clipart all released into the public domain on Openclipart. en.wikipedia.org/wiki/Public_Domain_Day
2015年快樂的公共領域日
2015、filter outline、holiday、news、openclipart、pd、publicdomain、publicdomainday、request complete、upload2openclipart、vectorized
2015、過濾器輪廓、假日、新聞、開放美工圖庫、PD、公共區域、publicdomainday、請求完成、upload2openclipart、矢量
資料來源：openclipart ( https://openclipart.org/ )