Until the mid-nineteenth century, when foreign gunboats broke down the door to China, after which images of the pig-tail and opium addict became China's new trade marks.
直到十九世紀中葉，外籍兵團挾著洋槍大砲敲開中國大門，可惜相見爭如不見，豬辮子、鴉片鬼的形象就此深烙，成為中國的註冊商標。