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disegno fatto per una animazione sul passsare del tempo, giorno e notte... 白天和黑夜 - 白天和黑夜 cartoon、how i did it、nature 動畫片、我是怎麼做到的、性質 資料來源：openclipart ( https://openclipart.org/ )
from "The Gasoline Automobile" by George W. Hobbs and Ben G. Elliott, 1915 舊中型卡車 car、externalsource、historical、transportation、truck、vehicle 汽車、外部源、歷史的、運輸、卡車、車輛 資料來源：openclipart ( https://openclipart.org/ )
