In order to make Dong Ho paintings, we need seashell powder paint, the
Giải thích
2. Thông tin: At five, he could help his father apply the Dong Ho paintings, and learn how to print the paper with proper colours. At seven, he was able to draw with a pen and make the most difficult samples. Years went by and the soul of Dong Ho folk paintings has kept seashell powder paint to the poonah-paper.
Chọn A