When autumn arrives, the sweet smell of sugar-roasted chestnuts usually f the air.

    In China, sellers u cook chestnuts in black sand on a stove. When passing by, many people want to s and buy bags of shiny chestnuts on their way to school or work.

    However, it's not o Chinese people who enjoy eating chestnuts. In Paris in the winter, for example, chestnut sellers can be found in every c of the city. All over Paris, the smell of sweetness seems to say that one doesn't have to walk far to buy this tasty snack.

    And in the US. Chestnuts are a must for the h. The Christmas song Chestnuts Roasting On An Open Fire perfectly shows the love for the Christmas treat (美食) people in the US have. The festive nut is p in the US for a long time. However, in the early 1900s, a tree-killing disease a killed every American chestnut tree within 40 years. Luckily, chestnut trees were reintroduced (再引进) to the c over the following years. Chestnuts are not only famous as a treat for the end-of-year holidays, but used in many dishes. US people often use chestnuts to make sauces or jams as well—or e use them to make beer or soup. Isn't that amazing?