File:Yoo Youngkuk working in front of his canvas, taken by Lim Eung sik, around 1968.jpg
![File:Yoo Youngkuk working in front of his canvas, taken by Lim Eung sik, around 1968.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Yoo_Youngkuk_working_in_front_of_his_canvas%2C_taken_by_Lim_Eung_sik%2C_around_1968.jpg/610px-Yoo_Youngkuk_working_in_front_of_his_canvas%2C_taken_by_Lim_Eung_sik%2C_around_1968.jpg?20161228013547)
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